Docs: Update jQuery used for demos to 3.6.0

jQuery 1.12.4 misses some Core APIs that jQuery UI depends on and that are not
polyfilled in demos.

1 files changed, 4120 insertions, 4247 deletions

diff --git a/external/jquery/jquery.js b/external/jquery/jquery.js
index 7fc60fca7..fc6c299b7 100644
--- a/external/jquery/jquery.js
+++ b/external/jquery/jquery.js
@@ -1,20 +1,22 @@
 /*!
- * jQuery JavaScript Library v1.12.4
- * http://jquery.com/
+ * jQuery JavaScript Library v3.6.0
+ * https://jquery.com/
  *
  * Includes Sizzle.js
- * http://sizzlejs.com/
+ * https://sizzlejs.com/
  *
- * Copyright jQuery Foundation and other contributors
+ * Copyright OpenJS Foundation and other contributors
  * Released under the MIT license
- * http://jquery.org/license
+ * https://jquery.org/license
  *
- * Date: 2016-05-20T17:17Z
+ * Date: 2021-03-02T17:08Z
  */
+( function( global, factory ) {
 
-(function( global, factory ) {
+	"use strict";
 
 	if ( typeof module === "object" && typeof module.exports === "object" ) {
+
 		// For CommonJS and CommonJS-like environments where a proper `window`
 		// is present, execute the factory and get jQuery.
 		// For environments that do not have a `window` with a `document`
@@ -35,24 +37,30 @@
 	}
 
 // Pass this if window is not defined yet
-}(typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
+} )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
 
-// Support: Firefox 18+
-// Can't be in strict mode, several libs including ASP.NET trace
-// the stack via arguments.caller.callee and Firefox dies if
-// you try to trace through "use strict" call chains. (#13335)
-//"use strict";
-var deletedIds = [];
+// Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
+// throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
+// arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
+// enough that all such attempts are guarded in a try block.
+"use strict";
 
-var document = window.document;
+var arr = [];
+
+var getProto = Object.getPrototypeOf;
 
-var slice = deletedIds.slice;
+var slice = arr.slice;
+
+var flat = arr.flat ? function( array ) {
+	return arr.flat.call( array );
+} : function( array ) {
+	return arr.concat.apply( [], array );
+};
 
-var concat = deletedIds.concat;
 
-var push = deletedIds.push;
+var push = arr.push;
 
-var indexOf = deletedIds.indexOf;
+var indexOf = arr.indexOf;
 
 var class2type = {};
 
@@ -60,12 +68,90 @@ var toString = class2type.toString;
 
 var hasOwn = class2type.hasOwnProperty;
 
+var fnToString = hasOwn.toString;
+
+var ObjectFunctionString = fnToString.call( Object );
+
 var support = {};
 
+var isFunction = function isFunction( obj ) {
+
+		// Support: Chrome <=57, Firefox <=52
+		// In some browsers, typeof returns "function" for HTML <object> elements
+		// (i.e., `typeof document.createElement( "object" ) === "function"`).
+		// We don't want to classify *any* DOM node as a function.
+		// Support: QtWeb <=3.8.5, WebKit <=534.34, wkhtmltopdf tool <=0.12.5
+		// Plus for old WebKit, typeof returns "function" for HTML collections
+		// (e.g., `typeof document.getElementsByTagName("div") === "function"`). (gh-4756)
+		return typeof obj === "function" && typeof obj.nodeType !== "number" &&
+			typeof obj.item !== "function";
+	};
+
+
+var isWindow = function isWindow( obj ) {
+		return obj != null && obj === obj.window;
+	};
+
+
+var document = window.document;
+
+
+
+	var preservedScriptAttributes = {
+		type: true,
+		src: true,
+		nonce: true,
+		noModule: true
+	};
+
+	function DOMEval( code, node, doc ) {
+		doc = doc || document;
+
+		var i, val,
+			script = doc.createElement( "script" );
+
+		script.text = code;
+		if ( node ) {
+			for ( i in preservedScriptAttributes ) {
+
+				// Support: Firefox 64+, Edge 18+
+				// Some browsers don't support the "nonce" property on scripts.
+				// On the other hand, just using `getAttribute` is not enough as
+				// the `nonce` attribute is reset to an empty string whenever it
+				// becomes browsing-context connected.
+				// See https://github.com/whatwg/html/issues/2369
+				// See https://html.spec.whatwg.org/#nonce-attributes
+				// The `node.getAttribute` check was added for the sake of
+				// `jQuery.globalEval` so that it can fake a nonce-containing node
+				// via an object.
+				val = node[ i ] || node.getAttribute && node.getAttribute( i );
+				if ( val ) {
+					script.setAttribute( i, val );
+				}
+			}
+		}
+		doc.head.appendChild( script ).parentNode.removeChild( script );
+	}
+
+
+function toType( obj ) {
+	if ( obj == null ) {
+		return obj + "";
+	}
+
+	// Support: Android <=2.3 only (functionish RegExp)
+	return typeof obj === "object" || typeof obj === "function" ?
+		class2type[ toString.call( obj ) ] || "object" :
+		typeof obj;
+}
+/* global Symbol */
+// Defining this global in .eslintrc.json would create a danger of using the global
+// unguarded in another place, it seems safer to define global only for this module
+
 
 
 var
-	version = "1.12.4",
+	version = "3.6.0",
 
 	// Define a local copy of jQuery
 	jQuery = function( selector, context ) {
@@ -73,19 +159,6 @@ var
 		// The jQuery object is actually just the init constructor 'enhanced'
 		// Need init if jQuery is called (just allow error to be thrown if not included)
 		return new jQuery.fn.init( selector, context );
-	},
-
-	// Support: Android<4.1, IE<9
-	// Make sure we trim BOM and NBSP
-	rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
-
-	// Matches dashed string for camelizing
-	rmsPrefix = /^-ms-/,
-	rdashAlpha = /-([\da-z])/gi,
-
-	// Used by jQuery.camelCase as callback to replace()
-	fcamelCase = function( all, letter ) {
-		return letter.toUpperCase();
 	};
 
 jQuery.fn = jQuery.prototype = {
@@ -95,9 +168,6 @@ jQuery.fn = jQuery.prototype = {
 
 	constructor: jQuery,
 
-	// Start with an empty selector
-	selector: "",
-
 	// The default length of a jQuery object is 0
 	length: 0,
 
@@ -108,13 +178,14 @@ jQuery.fn = jQuery.prototype = {
 	// Get the Nth element in the matched element set OR
 	// Get the whole matched element set as a clean array
 	get: function( num ) {
-		return num != null ?
 
-			// Return just the one element from the set
-			( num < 0 ? this[ num + this.length ] : this[ num ] ) :
+		// Return all the elements in a clean array
+		if ( num == null ) {
+			return slice.call( this );
+		}
 
-			// Return all the elements in a clean array
-			slice.call( this );
+		// Return just the one element from the set
+		return num < 0 ? this[ num + this.length ] : this[ num ];
 	},
 
 	// Take an array of elements and push it onto the stack
@@ -126,7 +197,6 @@ jQuery.fn = jQuery.prototype = {
 
 		// Add the old object onto the stack (as a reference)
 		ret.prevObject = this;
-		ret.context = this.context;
 
 		// Return the newly-formed element set
 		return ret;
@@ -155,6 +225,18 @@ jQuery.fn = jQuery.prototype = {
 		return this.eq( -1 );
 	},
 
+	even: function() {
+		return this.pushStack( jQuery.grep( this, function( _elem, i ) {
+			return ( i + 1 ) % 2;
+		} ) );
+	},
+
+	odd: function() {
+		return this.pushStack( jQuery.grep( this, function( _elem, i ) {
+			return i % 2;
+		} ) );
+	},
+
 	eq: function( i ) {
 		var len = this.length,
 			j = +i + ( i < 0 ? len : 0 );
@@ -168,12 +250,12 @@ jQuery.fn = jQuery.prototype = {
 	// For internal use only.
 	// Behaves like an Array's method, not like a jQuery method.
 	push: push,
-	sort: deletedIds.sort,
-	splice: deletedIds.splice
+	sort: arr.sort,
+	splice: arr.splice
 };
 
 jQuery.extend = jQuery.fn.extend = function() {
-	var src, copyIsArray, copy, name, options, clone,
+	var options, name, src, copy, copyIsArray, clone,
 		target = arguments[ 0 ] || {},
 		i = 1,
 		length = arguments.length,
@@ -183,17 +265,17 @@ jQuery.extend = jQuery.fn.extend = function() {
 	if ( typeof target === "boolean" ) {
 		deep = target;
 
-		// skip the boolean and the target
+		// Skip the boolean and the target
 		target = arguments[ i ] || {};
 		i++;
 	}
 
 	// Handle case when target is a string or something (possible in deep copy)
-	if ( typeof target !== "object" && !jQuery.isFunction( target ) ) {
+	if ( typeof target !== "object" && !isFunction( target ) ) {
 		target = {};
 	}
 
-	// extend jQuery itself if only one argument is passed
+	// Extend jQuery itself if only one argument is passed
 	if ( i === length ) {
 		target = this;
 		i--;
@@ -206,25 +288,28 @@ jQuery.extend = jQuery.fn.extend = function() {
 
 			// Extend the base object
 			for ( name in options ) {
-				src = target[ name ];
 				copy = options[ name ];
 
+				// Prevent Object.prototype pollution
 				// Prevent never-ending loop
-				if ( target === copy ) {
+				if ( name === "__proto__" || target === copy ) {
 					continue;
 				}
 
 				// Recurse if we're merging plain objects or arrays
 				if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
-					( copyIsArray = jQuery.isArray( copy ) ) ) ) {
-
-					if ( copyIsArray ) {
-						copyIsArray = false;
-						clone = src && jQuery.isArray( src ) ? src : [];
-
+					( copyIsArray = Array.isArray( copy ) ) ) ) {
+					src = target[ name ];
+
+					// Ensure proper type for the source value
+					if ( copyIsArray && !Array.isArray( src ) ) {
+						clone = [];
+					} else if ( !copyIsArray && !jQuery.isPlainObject( src ) ) {
+						clone = {};
 					} else {
-						clone = src && jQuery.isPlainObject( src ) ? src : {};
+						clone = src;
 					}
+					copyIsArray = false;
 
 					// Never move original objects, clone them
 					target[ name ] = jQuery.extend( deep, clone, copy );
@@ -255,110 +340,40 @@ jQuery.extend( {
 
 	noop: function() {},
 
-	// See test/unit/core.js for details concerning isFunction.
-	// Since version 1.3, DOM methods and functions like alert
-	// aren't supported. They return false on IE (#2968).
-	isFunction: function( obj ) {
-		return jQuery.type( obj ) === "function";
-	},
-
-	isArray: Array.isArray || function( obj ) {
-		return jQuery.type( obj ) === "array";
-	},
-
-	isWindow: function( obj ) {
-		/* jshint eqeqeq: false */
-		return obj != null && obj == obj.window;
-	},
-
-	isNumeric: function( obj ) {
-
-		// parseFloat NaNs numeric-cast false positives (null|true|false|"")
-		// ...but misinterprets leading-number strings, particularly hex literals ("0x...")
-		// subtraction forces infinities to NaN
-		// adding 1 corrects loss of precision from parseFloat (#15100)
-		var realStringObj = obj && obj.toString();
-		return !jQuery.isArray( obj ) && ( realStringObj - parseFloat( realStringObj ) + 1 ) >= 0;
-	},
-
-	isEmptyObject: function( obj ) {
-		var name;
-		for ( name in obj ) {
-			return false;
-		}
-		return true;
-	},
-
 	isPlainObject: function( obj ) {
-		var key;
+		var proto, Ctor;
 
-		// Must be an Object.
-		// Because of IE, we also have to check the presence of the constructor property.
-		// Make sure that DOM nodes and window objects don't pass through, as well
-		if ( !obj || jQuery.type( obj ) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
+		// Detect obvious negatives
+		// Use toString instead of jQuery.type to catch host objects
+		if ( !obj || toString.call( obj ) !== "[object Object]" ) {
 			return false;
 		}
 
-		try {
+		proto = getProto( obj );
 
-			// Not own constructor property must be Object
-			if ( obj.constructor &&
-				!hasOwn.call( obj, "constructor" ) &&
-				!hasOwn.call( obj.constructor.prototype, "isPrototypeOf" ) ) {
-				return false;
-			}
-		} catch ( e ) {
-
-			// IE8,9 Will throw exceptions on certain host objects #9897
-			return false;
-		}
-
-		// Support: IE<9
-		// Handle iteration over inherited properties before own properties.
-		if ( !support.ownFirst ) {
-			for ( key in obj ) {
-				return hasOwn.call( obj, key );
-			}
+		// Objects with no prototype (e.g., `Object.create( null )`) are plain
+		if ( !proto ) {
+			return true;
 		}
 
-		// Own properties are enumerated firstly, so to speed up,
-		// if last one is own, then all properties are own.
-		for ( key in obj ) {}
-
-		return key === undefined || hasOwn.call( obj, key );
-	},
-
-	type: function( obj ) {
-		if ( obj == null ) {
-			return obj + "";
-		}
-		return typeof obj === "object" || typeof obj === "function" ?
-			class2type[ toString.call( obj ) ] || "object" :
-			typeof obj;
+		// Objects with prototype are plain iff they were constructed by a global Object function
+		Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
+		return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
 	},
 
-	// Workarounds based on findings by Jim Driscoll
-	// http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context
-	globalEval: function( data ) {
-		if ( data && jQuery.trim( data ) ) {
+	isEmptyObject: function( obj ) {
+		var name;
 
-			// We use execScript on Internet Explorer
-			// We use an anonymous function so that context is window
-			// rather than jQuery in Firefox
-			( window.execScript || function( data ) {
-				window[ "eval" ].call( window, data ); // jscs:ignore requireDotNotation
-			} )( data );
+		for ( name in obj ) {
+			return false;
 		}
+		return true;
 	},
 
-	// Convert dashed to camelCase; used by the css and data modules
-	// Microsoft forgot to hump their vendor prefix (#9572)
-	camelCase: function( string ) {
-		return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
-	},
-
-	nodeName: function( elem, name ) {
-		return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
+	// Evaluates a script in a provided context; falls back to the global one
+	// if not specified.
+	globalEval: function( code, options, doc ) {
+		DOMEval( code, { nonce: options && options.nonce }, doc );
 	},
 
 	each: function( obj, callback ) {
@@ -382,13 +397,6 @@ jQuery.extend( {
 		return obj;
 	},
 
-	// Support: Android<4.1, IE<9
-	trim: function( text ) {
-		return text == null ?
-			"" :
-			( text + "" ).replace( rtrim, "" );
-	},
-
 	// results is for internal usage only
 	makeArray: function( arr, results ) {
 		var ret = results || [];
@@ -397,7 +405,7 @@ jQuery.extend( {
 			if ( isArrayLike( Object( arr ) ) ) {
 				jQuery.merge( ret,
 					typeof arr === "string" ?
-					[ arr ] : arr
+						[ arr ] : arr
 				);
 			} else {
 				push.call( ret, arr );
@@ -408,43 +416,18 @@ jQuery.extend( {
 	},
 
 	inArray: function( elem, arr, i ) {
-		var len;
-
-		if ( arr ) {
-			if ( indexOf ) {
-				return indexOf.call( arr, elem, i );
-			}
-
-			len = arr.length;
-			i = i ? i < 0 ? Math.max( 0, len + i ) : i : 0;
-
-			for ( ; i < len; i++ ) {
-
-				// Skip accessing in sparse arrays
-				if ( i in arr && arr[ i ] === elem ) {
-					return i;
-				}
-			}
-		}
-
-		return -1;
+		return arr == null ? -1 : indexOf.call( arr, elem, i );
 	},
 
+	// Support: Android <=4.0 only, PhantomJS 1 only
+	// push.apply(_, arraylike) throws on ancient WebKit
 	merge: function( first, second ) {
 		var len = +second.length,
 			j = 0,
 			i = first.length;
 
-		while ( j < len ) {
-			first[ i++ ] = second[ j++ ];
-		}
-
-		// Support: IE<9
-		// Workaround casting of .length to NaN on otherwise arraylike objects (e.g., NodeLists)
-		if ( len !== len ) {
-			while ( second[ j ] !== undefined ) {
-				first[ i++ ] = second[ j++ ];
-			}
+		for ( ; j < len; j++ ) {
+			first[ i++ ] = second[ j ];
 		}
 
 		first.length = i;
@@ -500,76 +483,37 @@ jQuery.extend( {
 		}
 
 		// Flatten any nested arrays
-		return concat.apply( [], ret );
+		return flat( ret );
 	},
 
 	// A global GUID counter for objects
 	guid: 1,
 
-	// Bind a function to a context, optionally partially applying any
-	// arguments.
-	proxy: function( fn, context ) {
-		var args, proxy, tmp;
-
-		if ( typeof context === "string" ) {
-			tmp = fn[ context ];
-			context = fn;
-			fn = tmp;
-		}
-
-		// Quick check to determine if target is callable, in the spec
-		// this throws a TypeError, but we will just return undefined.
-		if ( !jQuery.isFunction( fn ) ) {
-			return undefined;
-		}
-
-		// Simulated bind
-		args = slice.call( arguments, 2 );
-		proxy = function() {
-			return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
-		};
-
-		// Set the guid of unique handler to the same of original handler, so it can be removed
-		proxy.guid = fn.guid = fn.guid || jQuery.guid++;
-
-		return proxy;
-	},
-
-	now: function() {
-		return +( new Date() );
-	},
-
 	// jQuery.support is not used in Core but other projects attach their
 	// properties to it so it needs to exist.
 	support: support
 } );
 
-// JSHint would error on this code due to the Symbol not being defined in ES5.
-// Defining this global in .jshintrc would create a danger of using the global
-// unguarded in another place, it seems safer to just disable JSHint for these
-// three lines.
-/* jshint ignore: start */
 if ( typeof Symbol === "function" ) {
-	jQuery.fn[ Symbol.iterator ] = deletedIds[ Symbol.iterator ];
+	jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
 }
-/* jshint ignore: end */
 
 // Populate the class2type map
 jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
-function( i, name ) {
-	class2type[ "[object " + name + "]" ] = name.toLowerCase();
-} );
+	function( _i, name ) {
+		class2type[ "[object " + name + "]" ] = name.toLowerCase();
+	} );
 
 function isArrayLike( obj ) {
 
-	// Support: iOS 8.2 (not reproducible in simulator)
+	// Support: real iOS 8.2 only (not reproducible in simulator)
 	// `in` check used to prevent JIT error (gh-2145)
 	// hasOwn isn't used here due to false negatives
 	// regarding Nodelist length in IE
 	var length = !!obj && "length" in obj && obj.length,
-		type = jQuery.type( obj );
+		type = toType( obj );
 
-	if ( type === "function" || jQuery.isWindow( obj ) ) {
+	if ( isFunction( obj ) || isWindow( obj ) ) {
 		return false;
 	}
 
@@ -578,17 +522,16 @@ function isArrayLike( obj ) {
 }
 var Sizzle =
 /*!
- * Sizzle CSS Selector Engine v2.2.1
- * http://sizzlejs.com/
+ * Sizzle CSS Selector Engine v2.3.6
+ * https://sizzlejs.com/
  *
- * Copyright jQuery Foundation and other contributors
+ * Copyright JS Foundation and other contributors
  * Released under the MIT license
- * http://jquery.org/license
+ * https://js.foundation/
  *
- * Date: 2015-10-17
+ * Date: 2021-02-16
  */
-(function( window ) {
-
+( function( window ) {
 var i,
 	support,
 	Expr,
@@ -619,6 +562,7 @@ var i,
 	classCache = createCache(),
 	tokenCache = createCache(),
 	compilerCache = createCache(),
+	nonnativeSelectorCache = createCache(),
 	sortOrder = function( a, b ) {
 		if ( a === b ) {
 			hasDuplicate = true;
@@ -626,65 +570,72 @@ var i,
 		return 0;
 	},
 
-	// General-purpose constants
-	MAX_NEGATIVE = 1 << 31,
-
 	// Instance methods
-	hasOwn = ({}).hasOwnProperty,
+	hasOwn = ( {} ).hasOwnProperty,
 	arr = [],
 	pop = arr.pop,
-	push_native = arr.push,
+	pushNative = arr.push,
 	push = arr.push,
 	slice = arr.slice,
+
 	// Use a stripped-down indexOf as it's faster than native
-	// http://jsperf.com/thor-indexof-vs-for/5
+	// https://jsperf.com/thor-indexof-vs-for/5
 	indexOf = function( list, elem ) {
 		var i = 0,
 			len = list.length;
 		for ( ; i < len; i++ ) {
-			if ( list[i] === elem ) {
+			if ( list[ i ] === elem ) {
 				return i;
 			}
 		}
 		return -1;
 	},
 
-	booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
+	booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|" +
+		"ismap|loop|multiple|open|readonly|required|scoped",
 
 	// Regular expressions
 
 	// http://www.w3.org/TR/css3-selectors/#whitespace
 	whitespace = "[\\x20\\t\\r\\n\\f]",
 
-	// http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
-	identifier = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",
+	// https://www.w3.org/TR/css-syntax-3/#ident-token-diagram
+	identifier = "(?:\\\\[\\da-fA-F]{1,6}" + whitespace +
+		"?|\\\\[^\\r\\n\\f]|[\\w-]|[^\0-\\x7f])+",
 
 	// Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
 	attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
+
 		// Operator (capture 2)
 		"*([*^$|!~]?=)" + whitespace +
-		// "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
-		"*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
-		"*\\]",
+
+		// "Attribute values must be CSS identifiers [capture 5]
+		// or strings [capture 3 or capture 4]"
+		"*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" +
+		whitespace + "*\\]",
 
 	pseudos = ":(" + identifier + ")(?:\\((" +
+
 		// To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
 		// 1. quoted (capture 3; capture 4 or capture 5)
 		"('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
+
 		// 2. simple (capture 6)
 		"((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
+
 		// 3. anything else (capture 2)
 		".*" +
 		")\\)|)",
 
 	// Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
 	rwhitespace = new RegExp( whitespace + "+", "g" ),
-	rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
+	rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" +
+		whitespace + "+$", "g" ),
 
 	rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
-	rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
-
-	rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),
+	rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace +
+		"*" ),
+	rdescend = new RegExp( whitespace + "|>" ),
 
 	rpseudo = new RegExp( pseudos ),
 	ridentifier = new RegExp( "^" + identifier + "$" ),
@@ -695,16 +646,19 @@ var i,
 		"TAG": new RegExp( "^(" + identifier + "|[*])" ),
 		"ATTR": new RegExp( "^" + attributes ),
 		"PSEUDO": new RegExp( "^" + pseudos ),
-		"CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
-			"*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
-			"*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
+		"CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" +
+			whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" +
+			whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
 		"bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
+
 		// For use in libraries implementing .is()
 		// We use this for POS matching in `select`
-		"needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
-			whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
+		"needsContext": new RegExp( "^" + whitespace +
+			"*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace +
+			"*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
 	},
 
+	rhtml = /HTML$/i,
 	rinputs = /^(?:input|select|textarea|button)$/i,
 	rheader = /^h\d$/i,
 
@@ -714,47 +668,79 @@ var i,
 	rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
 
 	rsibling = /[+~]/,
-	rescape = /'|\\/g,
-
-	// CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
-	runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
-	funescape = function( _, escaped, escapedWhitespace ) {
-		var high = "0x" + escaped - 0x10000;
-		// NaN means non-codepoint
-		// Support: Firefox<24
-		// Workaround erroneous numeric interpretation of +"0x"
-		return high !== high || escapedWhitespace ?
-			escaped :
+
+	// CSS escapes
+	// http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
+	runescape = new RegExp( "\\\\[\\da-fA-F]{1,6}" + whitespace + "?|\\\\([^\\r\\n\\f])", "g" ),
+	funescape = function( escape, nonHex ) {
+		var high = "0x" + escape.slice( 1 ) - 0x10000;
+
+		return nonHex ?
+
+			// Strip the backslash prefix from a non-hex escape sequence
+			nonHex :
+
+			// Replace a hexadecimal escape sequence with the encoded Unicode code point
+			// Support: IE <=11+
+			// For values outside the Basic Multilingual Plane (BMP), manually construct a
+			// surrogate pair
 			high < 0 ?
-				// BMP codepoint
 				String.fromCharCode( high + 0x10000 ) :
-				// Supplemental Plane codepoint (surrogate pair)
 				String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
 	},
 
+	// CSS string/identifier serialization
+	// https://drafts.csswg.org/cssom/#common-serializing-idioms
+	rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
+	fcssescape = function( ch, asCodePoint ) {
+		if ( asCodePoint ) {
+
+			// U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
+			if ( ch === "\0" ) {
+				return "\uFFFD";
+			}
+
+			// Control characters and (dependent upon position) numbers get escaped as code points
+			return ch.slice( 0, -1 ) + "\\" +
+				ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
+		}
+
+		// Other potentially-special ASCII characters get backslash-escaped
+		return "\\" + ch;
+	},
+
 	// Used for iframes
 	// See setDocument()
 	// Removing the function wrapper causes a "Permission Denied"
 	// error in IE
 	unloadHandler = function() {
 		setDocument();
-	};
+	},
+
+	inDisabledFieldset = addCombinator(
+		function( elem ) {
+			return elem.disabled === true && elem.nodeName.toLowerCase() === "fieldset";
+		},
+		{ dir: "parentNode", next: "legend" }
+	);
 
 // Optimize for push.apply( _, NodeList )
 try {
 	push.apply(
-		(arr = slice.call( preferredDoc.childNodes )),
+		( arr = slice.call( preferredDoc.childNodes ) ),
 		preferredDoc.childNodes
 	);
+
 	// Support: Android<4.0
 	// Detect silently failing push.apply
+	// eslint-disable-next-line no-unused-expressions
 	arr[ preferredDoc.childNodes.length ].nodeType;
 } catch ( e ) {
 	push = { apply: arr.length ?
 
 		// Leverage slice if possible
 		function( target, els ) {
-			push_native.apply( target, slice.call(els) );
+			pushNative.apply( target, slice.call( els ) );
 		} :
 
 		// Support: IE<9
@@ -762,15 +748,16 @@ try {
 		function( target, els ) {
 			var j = target.length,
 				i = 0;
+
 			// Can't trust NodeList.length
-			while ( (target[j++] = els[i++]) ) {}
+			while ( ( target[ j++ ] = els[ i++ ] ) ) {}
 			target.length = j - 1;
 		}
 	};
 }
 
 function Sizzle( selector, context, results, seed ) {
-	var m, i, elem, nid, nidselect, match, groups, newSelector,
+	var m, i, elem, nid, match, groups, newSelector,
 		newContext = context && context.ownerDocument,
 
 		// nodeType defaults to 9, since context defaults to document
@@ -787,24 +774,21 @@ function Sizzle( selector, context, results, seed ) {
 
 	// Try to shortcut find operations (as opposed to filters) in HTML documents
 	if ( !seed ) {
-
-		if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
-			setDocument( context );
-		}
+		setDocument( context );
 		context = context || document;
 
 		if ( documentIsHTML ) {
 
 			// If the selector is sufficiently simple, try using a "get*By*" DOM method
 			// (excepting DocumentFragment context, where the methods don't exist)
-			if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) {
+			if ( nodeType !== 11 && ( match = rquickExpr.exec( selector ) ) ) {
 
 				// ID selector
-				if ( (m = match[1]) ) {
+				if ( ( m = match[ 1 ] ) ) {
 
 					// Document context
 					if ( nodeType === 9 ) {
-						if ( (elem = context.getElementById( m )) ) {
+						if ( ( elem = context.getElementById( m ) ) ) {
 
 							// Support: IE, Opera, Webkit
 							// TODO: identify versions
@@ -823,7 +807,7 @@ function Sizzle( selector, context, results, seed ) {
 						// Support: IE, Opera, Webkit
 						// TODO: identify versions
 						// getElementById can match elements by name instead of ID
-						if ( newContext && (elem = newContext.getElementById( m )) &&
+						if ( newContext && ( elem = newContext.getElementById( m ) ) &&
 							contains( context, elem ) &&
 							elem.id === m ) {
 
@@ -833,12 +817,12 @@ function Sizzle( selector, context, results, seed ) {
 					}
 
 				// Type selector
-				} else if ( match[2] ) {
+				} else if ( match[ 2 ] ) {
 					push.apply( results, context.getElementsByTagName( selector ) );
 					return results;
 
 				// Class selector
-				} else if ( (m = match[3]) && support.getElementsByClassName &&
+				} else if ( ( m = match[ 3 ] ) && support.getElementsByClassName &&
 					context.getElementsByClassName ) {
 
 					push.apply( results, context.getElementsByClassName( m ) );
@@ -848,51 +832,62 @@ function Sizzle( selector, context, results, seed ) {
 
 			// Take advantage of querySelectorAll
 			if ( support.qsa &&
-				!compilerCache[ selector + " " ] &&
-				(!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
-
-				if ( nodeType !== 1 ) {
-					newContext = context;
-					newSelector = selector;
+				!nonnativeSelectorCache[ selector + " " ] &&
+				( !rbuggyQSA || !rbuggyQSA.test( selector ) ) &&
 
-				// qSA looks outside Element context, which is not what we want
-				// Thanks to Andrew Dupont for this workaround technique
-				// Support: IE <=8
+				// Support: IE 8 only
 				// Exclude object elements
-				} else if ( context.nodeName.toLowerCase() !== "object" ) {
+				( nodeType !== 1 || context.nodeName.toLowerCase() !== "object" ) ) {
 
-					// Capture the context ID, setting it first if necessary
-					if ( (nid = context.getAttribute( "id" )) ) {
-						nid = nid.replace( rescape, "\\$&" );
-					} else {
-						context.setAttribute( "id", (nid = expando) );
+				newSelector = selector;
+				newContext = context;
+
+				// qSA considers elements outside a scoping root when evaluating child or
+				// descendant combinators, which is not what we want.
+				// In such cases, we work around the behavior by prefixing every selector in the
+				// list with an ID selector referencing the scope context.
+				// The technique has to be used as well when a leading combinator is used
+				// as such selectors are not recognized by querySelectorAll.
+				// Thanks to Andrew Dupont for this technique.
+				if ( nodeType === 1 &&
+					( rdescend.test( selector ) || rcombinators.test( selector ) ) ) {
+
+					// Expand context for sibling selectors
+					newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
+						context;
+
+					// We can use :scope instead of the ID hack if the browser
+					// supports it & if we're not changing the context.
+					if ( newContext !== context || !support.scope ) {
+
+						// Capture the context ID, setting it first if necessary
+						if ( ( nid = context.getAttribute( "id" ) ) ) {
+							nid = nid.replace( rcssescape, fcssescape );
+						} else {
+							context.setAttribute( "id", ( nid = expando ) );
+						}
 					}
 
 					// Prefix every selector in the list
 					groups = tokenize( selector );
 					i = groups.length;
-					nidselect = ridentifier.test( nid ) ? "#" + nid : "[id='" + nid + "']";
 					while ( i-- ) {
-						groups[i] = nidselect + " " + toSelector( groups[i] );
+						groups[ i ] = ( nid ? "#" + nid : ":scope" ) + " " +
+							toSelector( groups[ i ] );
 					}
 					newSelector = groups.join( "," );
-
-					// Expand context for sibling selectors
-					newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
-						context;
 				}
 
-				if ( newSelector ) {
-					try {
-						push.apply( results,
-							newContext.querySelectorAll( newSelector )
-						);
-						return results;
-					} catch ( qsaError ) {
-					} finally {
-						if ( nid === expando ) {
-							context.removeAttribute( "id" );
-						}
+				try {
+					push.apply( results,
+						newContext.querySelectorAll( newSelector )
+					);
+					return results;
+				} catch ( qsaError ) {
+					nonnativeSelectorCache( selector, true );
+				} finally {
+					if ( nid === expando ) {
+						context.removeAttribute( "id" );
 					}
 				}
 			}
@@ -913,12 +908,14 @@ function createCache() {
 	var keys = [];
 
 	function cache( key, value ) {
+
 		// Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
 		if ( keys.push( key + " " ) > Expr.cacheLength ) {
+
 			// Only keep the most recent entries
 			delete cache[ keys.shift() ];
 		}
-		return (cache[ key + " " ] = value);
+		return ( cache[ key + " " ] = value );
 	}
 	return cache;
 }
@@ -934,22 +931,24 @@ function markFunction( fn ) {
 
 /**
  * Support testing using an element
- * @param {Function} fn Passed the created div and expects a boolean result
+ * @param {Function} fn Passed the created element and returns a boolean result
  */
 function assert( fn ) {
-	var div = document.createElement("div");
+	var el = document.createElement( "fieldset" );
 
 	try {
-		return !!fn( div );
-	} catch (e) {
+		return !!fn( el );
+	} catch ( e ) {
 		return false;
 	} finally {
+
 		// Remove from its parent by default
-		if ( div.parentNode ) {
-			div.parentNode.removeChild( div );
+		if ( el.parentNode ) {
+			el.parentNode.removeChild( el );
 		}
+
 		// release memory in IE
-		div = null;
+		el = null;
 	}
 }
 
@@ -959,11 +958,11 @@ function assert( fn ) {
  * @param {Function} handler The method that will be applied
  */
 function addHandle( attrs, handler ) {
-	var arr = attrs.split("|"),
+	var arr = attrs.split( "|" ),
 		i = arr.length;
 
 	while ( i-- ) {
-		Expr.attrHandle[ arr[i] ] = handler;
+		Expr.attrHandle[ arr[ i ] ] = handler;
 	}
 }
 
@@ -976,8 +975,7 @@ function addHandle( attrs, handler ) {
 function siblingCheck( a, b ) {
 	var cur = b && a,
 		diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
-			( ~b.sourceIndex || MAX_NEGATIVE ) -
-			( ~a.sourceIndex || MAX_NEGATIVE );
+			a.sourceIndex - b.sourceIndex;
 
 	// Use IE sourceIndex if available on both nodes
 	if ( diff ) {
@@ -986,7 +984,7 @@ function siblingCheck( a, b ) {
 
 	// Check if b follows a
 	if ( cur ) {
-		while ( (cur = cur.nextSibling) ) {
+		while ( ( cur = cur.nextSibling ) ) {
 			if ( cur === b ) {
 				return -1;
 			}
@@ -1014,7 +1012,63 @@ function createInputPseudo( type ) {
 function createButtonPseudo( type ) {
 	return function( elem ) {
 		var name = elem.nodeName.toLowerCase();
-		return (name === "input" || name === "button") && elem.type === type;
+		return ( name === "input" || name === "button" ) && elem.type === type;
+	};
+}
+
+/**
+ * Returns a function to use in pseudos for :enabled/:disabled
+ * @param {Boolean} disabled true for :disabled; false for :enabled
+ */
+function createDisabledPseudo( disabled ) {
+
+	// Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
+	return function( elem ) {
+
+		// Only certain elements can match :enabled or :disabled
+		// https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
+		// https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
+		if ( "form" in elem ) {
+
+			// Check for inherited disabledness on relevant non-disabled elements:
+			// * listed form-associated elements in a disabled fieldset
+			//   https://html.spec.whatwg.org/multipage/forms.html#category-listed
+			//   https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
+			// * option elements in a disabled optgroup
+			//   https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
+			// All such elements have a "form" property.
+			if ( elem.parentNode && elem.disabled === false ) {
+
+				// Option elements defer to a parent optgroup if present
+				if ( "label" in elem ) {
+					if ( "label" in elem.parentNode ) {
+						return elem.parentNode.disabled === disabled;
+					} else {
+						return elem.disabled === disabled;
+					}
+				}
+
+				// Support: IE 6 - 11
+				// Use the isDisabled shortcut property to check for disabled fieldset ancestors
+				return elem.isDisabled === disabled ||
+
+					// Where there is no isDisabled, check manually
+					/* jshint -W018 */
+					elem.isDisabled !== !disabled &&
+					inDisabledFieldset( elem ) === disabled;
+			}
+
+			return elem.disabled === disabled;
+
+		// Try to winnow out elements that can't be disabled before trusting the disabled property.
+		// Some victims get caught in our net (label, legend, menu, track), but it shouldn't
+		// even exist on them, let alone have a boolean value.
+		} else if ( "label" in elem ) {
+			return elem.disabled === disabled;
+		}
+
+		// Remaining elements are neither :enabled nor :disabled
+		return false;
 	};
 }
 
@@ -1023,21 +1077,21 @@ function createButtonPseudo( type ) {
  * @param {Function} fn
  */
 function createPositionalPseudo( fn ) {
-	return markFunction(function( argument ) {
+	return markFunction( function( argument ) {
 		argument = +argument;
-		return markFunction(function( seed, matches ) {
+		return markFunction( function( seed, matches ) {
 			var j,
 				matchIndexes = fn( [], seed.length, argument ),
 				i = matchIndexes.length;
 
 			// Match elements found at the specified indexes
 			while ( i-- ) {
-				if ( seed[ (j = matchIndexes[i]) ] ) {
-					seed[j] = !(matches[j] = seed[j]);
+				if ( seed[ ( j = matchIndexes[ i ] ) ] ) {
+					seed[ j ] = !( matches[ j ] = seed[ j ] );
 				}
 			}
-		});
-	});
+		} );
+	} );
 }
 
 /**
@@ -1058,10 +1112,13 @@ support = Sizzle.support = {};
  * @returns {Boolean} True iff elem is a non-HTML XML node
  */
 isXML = Sizzle.isXML = function( elem ) {
-	// documentElement is verified for cases where it doesn't yet exist
-	// (such as loading iframes in IE - #4833)
-	var documentElement = elem && (elem.ownerDocument || elem).documentElement;
-	return documentElement ? documentElement.nodeName !== "HTML" : false;
+	var namespace = elem && elem.namespaceURI,
+		docElem = elem && ( elem.ownerDocument || elem ).documentElement;
+
+	// Support: IE <=8
+	// Assume HTML when documentElement doesn't yet exist, such as inside loading iframes
+	// https://bugs.jquery.com/ticket/4833
+	return !rhtml.test( namespace || docElem && docElem.nodeName || "HTML" );
 };
 
 /**
@@ -1070,11 +1127,15 @@ isXML = Sizzle.isXML = function( elem ) {
  * @returns {Object} Returns the current document
  */
 setDocument = Sizzle.setDocument = function( node ) {
-	var hasCompare, parent,
+	var hasCompare, subWindow,
 		doc = node ? node.ownerDocument || node : preferredDoc;
 
 	// Return early if doc is invalid or already selected
-	if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
+	// Support: IE 11+, Edge 17 - 18+
+	// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
+	// two documents; shallow comparisons work.
+	// eslint-disable-next-line eqeqeq
+	if ( doc == document || doc.nodeType !== 9 || !doc.documentElement ) {
 		return document;
 	}
 
@@ -1083,82 +1144,125 @@ setDocument = Sizzle.setDocument = function( node ) {
 	docElem = document.documentElement;
 	documentIsHTML = !isXML( document );
 
-	// Support: IE 9-11, Edge
+	// Support: IE 9 - 11+, Edge 12 - 18+
 	// Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
-	if ( (parent = document.defaultView) && parent.top !== parent ) {
-		// Support: IE 11
-		if ( parent.addEventListener ) {
-			parent.addEventListener( "unload", unloadHandler, false );
+	// Support: IE 11+, Edge 17 - 18+
+	// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
+	// two documents; shallow comparisons work.
+	// eslint-disable-next-line eqeqeq
+	if ( preferredDoc != document &&
+		( subWindow = document.defaultView ) && subWindow.top !== subWindow ) {
+
+		// Support: IE 11, Edge
+		if ( subWindow.addEventListener ) {
+			subWindow.addEventListener( "unload", unloadHandler, false );
 
 		// Support: IE 9 - 10 only
-		} else if ( parent.attachEvent ) {
-			parent.attachEvent( "onunload", unloadHandler );
+		} else if ( subWindow.attachEvent ) {
+			subWindow.attachEvent( "onunload", unloadHandler );
 		}
 	}
 
+	// Support: IE 8 - 11+, Edge 12 - 18+, Chrome <=16 - 25 only, Firefox <=3.6 - 31 only,
+	// Safari 4 - 5 only, Opera <=11.6 - 12.x only
+	// IE/Edge & older browsers don't support the :scope pseudo-class.
+	// Support: Safari 6.0 only
+	// Safari 6.0 supports :scope but it's an alias of :root there.
+	support.scope = assert( function( el ) {
+		docElem.appendChild( el ).appendChild( document.createElement( "div" ) );
+		return typeof el.querySelectorAll !== "undefined" &&
+			!el.querySelectorAll( ":scope fieldset div" ).length;
+	} );
+
 	/* Attributes
 	---------------------------------------------------------------------- */
 
 	// Support: IE<8
 	// Verify that getAttribute really returns attributes and not properties
 	// (excepting IE8 booleans)
-	support.attributes = assert(function( div ) {
-		div.className = "i";
-		return !div.getAttribute("className");
-	});
+	support.attributes = assert( function( el ) {
+		el.className = "i";
+		return !el.getAttribute( "className" );
+	} );
 
 	/* getElement(s)By*
 	---------------------------------------------------------------------- */
 
 	// Check if getElementsByTagName("*") returns only elements
-	support.getElementsByTagName = assert(function( div ) {
-		div.appendChild( document.createComment("") );
-		return !div.getElementsByTagName("*").length;
-	});
+	support.getElementsByTagName = assert( function( el ) {
+		el.appendChild( document.createComment( "" ) );
+		return !el.getElementsByTagName( "*" ).length;
+	} );
 
 	// Support: IE<9
 	support.getElementsByClassName = rnative.test( document.getElementsByClassName );
 
 	// Support: IE<10
 	// Check if getElementById returns elements by name
-	// The broken getElementById methods don't pick up programatically-set names,
+	// The broken getElementById methods don't pick up programmatically-set names,
 	// so use a roundabout getElementsByName test
-	support.getById = assert(function( div ) {
-		docElem.appendChild( div ).id = expando;
+	support.getById = assert( function( el ) {
+		docElem.appendChild( el ).id = expando;
 		return !document.getElementsByName || !document.getElementsByName( expando ).length;
-	});
+	} );
 
-	// ID find and filter
+	// ID filter and find
 	if ( support.getById ) {
-		Expr.find["ID"] = function( id, context ) {
-			if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
-				var m = context.getElementById( id );
-				return m ? [ m ] : [];
-			}
-		};
-		Expr.filter["ID"] = function( id ) {
+		Expr.filter[ "ID" ] = function( id ) {
 			var attrId = id.replace( runescape, funescape );
 			return function( elem ) {
-				return elem.getAttribute("id") === attrId;
+				return elem.getAttribute( "id" ) === attrId;
 			};
 		};
+		Expr.find[ "ID" ] = function( id, context ) {
+			if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
+				var elem = context.getElementById( id );
+				return elem ? [ elem ] : [];
+			}
+		};
 	} else {
-		// Support: IE6/7
-		// getElementById is not reliable as a find shortcut
-		delete Expr.find["ID"];
-
-		Expr.filter["ID"] =  function( id ) {
+		Expr.filter[ "ID" ] =  function( id ) {
 			var attrId = id.replace( runescape, funescape );
 			return function( elem ) {
 				var node = typeof elem.getAttributeNode !== "undefined" &&
-					elem.getAttributeNode("id");
+					elem.getAttributeNode( "id" );
 				return node && node.value === attrId;
 			};
 		};
+
+		// Support: IE 6 - 7 only
+		// getElementById is not reliable as a find shortcut
+		Expr.find[ "ID" ] = function( id, context ) {
+			if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
+				var node, i, elems,
+					elem = context.getElementById( id );
+
+				if ( elem ) {
+
+					// Verify the id attribute
+					node = elem.getAttributeNode( "id" );
+					if ( node && node.value === id ) {
+						return [ elem ];
+					}
+
+					// Fall back on getElementsByName
+					elems = context.getElementsByName( id );
+					i = 0;
+					while ( ( elem = elems[ i++ ] ) ) {
+						node = elem.getAttributeNode( "id" );
+						if ( node && node.value === id ) {
+							return [ elem ];
+						}
+					}
+				}
+
+				return [];
+			}
+		};
 	}
 
 	// Tag
-	Expr.find["TAG"] = support.getElementsByTagName ?
+	Expr.find[ "TAG" ] = support.getElementsByTagName ?
 		function( tag, context ) {
 			if ( typeof context.getElementsByTagName !== "undefined" ) {
 				return context.getElementsByTagName( tag );
@@ -1173,12 +1277,13 @@ setDocument = Sizzle.setDocument = function( node ) {
 			var elem,
 				tmp = [],
 				i = 0,
+
 				// By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
 				results = context.getElementsByTagName( tag );
 
 			// Filter out possible comments
 			if ( tag === "*" ) {
-				while ( (elem = results[i++]) ) {
+				while ( ( elem = results[ i++ ] ) ) {
 					if ( elem.nodeType === 1 ) {
 						tmp.push( elem );
 					}
@@ -1190,7 +1295,7 @@ setDocument = Sizzle.setDocument = function( node ) {
 		};
 
 	// Class
-	Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
+	Expr.find[ "CLASS" ] = support.getElementsByClassName && function( className, context ) {
 		if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
 			return context.getElementsByClassName( className );
 		}
@@ -1208,101 +1313,135 @@ setDocument = Sizzle.setDocument = function( node ) {
 	// We allow this because of a bug in IE8/9 that throws an error
 	// whenever `document.activeElement` is accessed on an iframe
 	// So, we allow :focus to pass through QSA all the time to avoid the IE error
-	// See http://bugs.jquery.com/ticket/13378
+	// See https://bugs.jquery.com/ticket/13378
 	rbuggyQSA = [];
 
-	if ( (support.qsa = rnative.test( document.querySelectorAll )) ) {
+	if ( ( support.qsa = rnative.test( document.querySelectorAll ) ) ) {
+
 		// Build QSA regex
 		// Regex strategy adopted from Diego Perini
-		assert(function( div ) {
+		assert( function( el ) {
+
+			var input;
+
 			// Select is set to empty string on purpose
 			// This is to test IE's treatment of not explicitly
 			// setting a boolean content attribute,
 			// since its presence should be enough
-			// http://bugs.jquery.com/ticket/12359
-			docElem.appendChild( div ).innerHTML = "<a id='" + expando + "'></a>" +
+			// https://bugs.jquery.com/ticket/12359
+			docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" +
 				"<select id='" + expando + "-\r\\' msallowcapture=''>" +
 				"<option selected=''></option></select>";
 
 			// Support: IE8, Opera 11-12.16
 			// Nothing should be selected when empty strings follow ^= or $= or *=
 			// The test attribute must be unknown in Opera but "safe" for WinRT
-			// http://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
-			if ( div.querySelectorAll("[msallowcapture^='']").length ) {
+			// https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
+			if ( el.querySelectorAll( "[msallowcapture^='']" ).length ) {
 				rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
 			}
 
 			// Support: IE8
 			// Boolean attributes and "value" are not treated correctly
-			if ( !div.querySelectorAll("[selected]").length ) {
+			if ( !el.querySelectorAll( "[selected]" ).length ) {
 				rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
 			}
 
 			// Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
-			if ( !div.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
-				rbuggyQSA.push("~=");
+			if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
+				rbuggyQSA.push( "~=" );
+			}
+
+			// Support: IE 11+, Edge 15 - 18+
+			// IE 11/Edge don't find elements on a `[name='']` query in some cases.
+			// Adding a temporary attribute to the document before the selection works
+			// around the issue.
+			// Interestingly, IE 10 & older don't seem to have the issue.
+			input = document.createElement( "input" );
+			input.setAttribute( "name", "" );
+			el.appendChild( input );
+			if ( !el.querySelectorAll( "[name='']" ).length ) {
+				rbuggyQSA.push( "\\[" + whitespace + "*name" + whitespace + "*=" +
+					whitespace + "*(?:''|\"\")" );
 			}
 
 			// Webkit/Opera - :checked should return selected option elements
 			// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
 			// IE8 throws error here and will not see later tests
-			if ( !div.querySelectorAll(":checked").length ) {
-				rbuggyQSA.push(":checked");
+			if ( !el.querySelectorAll( ":checked" ).length ) {
+				rbuggyQSA.push( ":checked" );
 			}
 
 			// Support: Safari 8+, iOS 8+
 			// https://bugs.webkit.org/show_bug.cgi?id=136851
-			// In-page `selector#id sibing-combinator selector` fails
-			if ( !div.querySelectorAll( "a#" + expando + "+*" ).length ) {
-				rbuggyQSA.push(".#.+[+~]");
+			// In-page `selector#id sibling-combinator selector` fails
+			if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
+				rbuggyQSA.push( ".#.+[+~]" );
 			}
-		});
 
-		assert(function( div ) {
+			// Support: Firefox <=3.6 - 5 only
+			// Old Firefox doesn't throw on a badly-escaped identifier.
+			el.querySelectorAll( "\\\f" );
+			rbuggyQSA.push( "[\\r\\n\\f]" );
+		} );
+
+		assert( function( el ) {
+			el.innerHTML = "<a href='' disabled='disabled'></a>" +
+				"<select disabled='disabled'><option/></select>";
+
 			// Support: Windows 8 Native Apps
 			// The type and name attributes are restricted during .innerHTML assignment
-			var input = document.createElement("input");
+			var input = document.createElement( "input" );
 			input.setAttribute( "type", "hidden" );
-			div.appendChild( input ).setAttribute( "name", "D" );
+			el.appendChild( input ).setAttribute( "name", "D" );
 
 			// Support: IE8
 			// Enforce case-sensitivity of name attribute
-			if ( div.querySelectorAll("[name=d]").length ) {
+			if ( el.querySelectorAll( "[name=d]" ).length ) {
 				rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
 			}
 
 			// FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
 			// IE8 throws error here and will not see later tests
-			if ( !div.querySelectorAll(":enabled").length ) {
+			if ( el.querySelectorAll( ":enabled" ).length !== 2 ) {
+				rbuggyQSA.push( ":enabled", ":disabled" );
+			}
+
+			// Support: IE9-11+
+			// IE's :disabled selector does not pick up the children of disabled fieldsets
+			docElem.appendChild( el ).disabled = true;
+			if ( el.querySelectorAll( ":disabled" ).length !== 2 ) {
 				rbuggyQSA.push( ":enabled", ":disabled" );
 			}
 
+			// Support: Opera 10 - 11 only
 			// Opera 10-11 does not throw on post-comma invalid pseudos
-			div.querySelectorAll("*,:x");
-			rbuggyQSA.push(",.*:");
-		});
+			el.querySelectorAll( "*,:x" );
+			rbuggyQSA.push( ",.*:" );
+		} );
 	}
 
-	if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
+	if ( ( support.matchesSelector = rnative.test( ( matches = docElem.matches ||
 		docElem.webkitMatchesSelector ||
 		docElem.mozMatchesSelector ||
 		docElem.oMatchesSelector ||
-		docElem.msMatchesSelector) )) ) {
+		docElem.msMatchesSelector ) ) ) ) {
+
+		assert( function( el ) {
 
-		assert(function( div ) {
 			// Check to see if it's possible to do matchesSelector
 			// on a disconnected node (IE 9)
-			support.disconnectedMatch = matches.call( div, "div" );
+			support.disconnectedMatch = matches.call( el, "*" );
 
 			// This should fail with an exception
 			// Gecko does not error, returns false instead
-			matches.call( div, "[s!='']:x" );
+			matches.call( el, "[s!='']:x" );
 			rbuggyMatches.push( "!=", pseudos );
-		});
+		} );
 	}
 
-	rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
-	rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
+	rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join( "|" ) );
+	rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join( "|" ) );
 
 	/* Contains
 	---------------------------------------------------------------------- */
@@ -1319,11 +1458,11 @@ setDocument = Sizzle.setDocument = function( node ) {
 				adown.contains ?
 					adown.contains( bup ) :
 					a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
-			));
+			) );
 		} :
 		function( a, b ) {
 			if ( b ) {
-				while ( (b = b.parentNode) ) {
+				while ( ( b = b.parentNode ) ) {
 					if ( b === a ) {
 						return true;
 					}
@@ -1352,7 +1491,11 @@ setDocument = Sizzle.setDocument = function( node ) {
 		}
 
 		// Calculate position if both inputs belong to the same document
-		compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
+		// Support: IE 11+, Edge 17 - 18+
+		// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
+		// two documents; shallow comparisons work.
+		// eslint-disable-next-line eqeqeq
+		compare = ( a.ownerDocument || a ) == ( b.ownerDocument || b ) ?
 			a.compareDocumentPosition( b ) :
 
 			// Otherwise we know they are disconnected
@@ -1360,13 +1503,24 @@ setDocument = Sizzle.setDocument = function( node ) {
 
 		// Disconnected nodes
 		if ( compare & 1 ||
-			(!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
+			( !support.sortDetached && b.compareDocumentPosition( a ) === compare ) ) {
 
 			// Choose the first element that is related to our preferred document
-			if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
+			// Support: IE 11+, Edge 17 - 18+
+			// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
+			// two documents; shallow comparisons work.
+			// eslint-disable-next-line eqeqeq
+			if ( a == document || a.ownerDocument == preferredDoc &&
+				contains( preferredDoc, a ) ) {
 				return -1;
 			}
-			if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
+
+			// Support: IE 11+, Edge 17 - 18+
+			// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
+			// two documents; shallow comparisons work.
+			// eslint-disable-next-line eqeqeq
+			if ( b == document || b.ownerDocument == preferredDoc &&
+				contains( preferredDoc, b ) ) {
 				return 1;
 			}
 
@@ -1379,6 +1533,7 @@ setDocument = Sizzle.setDocument = function( node ) {
 		return compare & 4 ? -1 : 1;
 	} :
 	function( a, b ) {
+
 		// Exit early if the nodes are identical
 		if ( a === b ) {
 			hasDuplicate = true;
@@ -1394,8 +1549,14 @@ setDocument = Sizzle.setDocument = function( node ) {
 
 		// Parentless nodes are either documents or disconnected
 		if ( !aup || !bup ) {
-			return a === document ? -1 :
-				b === document ? 1 :
+
+			// Support: IE 11+, Edge 17 - 18+
+			// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
+			// two documents; shallow comparisons work.
+			/* eslint-disable eqeqeq */
+			return a == document ? -1 :
+				b == document ? 1 :
+				/* eslint-enable eqeqeq */
 				aup ? -1 :
 				bup ? 1 :
 				sortInput ?
@@ -1409,26 +1570,32 @@ setDocument = Sizzle.setDocument = function( node ) {
 
 		// Otherwise we need full lists of their ancestors for comparison
 		cur = a;
-		while ( (cur = cur.parentNode) ) {
+		while ( ( cur = cur.parentNode ) ) {
 			ap.unshift( cur );
 		}
 		cur = b;
-		while ( (cur = cur.parentNode) ) {
+		while ( ( cur = cur.parentNode ) ) {
 			bp.unshift( cur );
 		}
 
 		// Walk down the tree looking for a discrepancy
-		while ( ap[i] === bp[i] ) {
+		while ( ap[ i ] === bp[ i ] ) {
 			i++;
 		}
 
 		return i ?
+
 			// Do a sibling check if the nodes have a common ancestor
-			siblingCheck( ap[i], bp[i] ) :
+			siblingCheck( ap[ i ], bp[ i ] ) :
 
 			// Otherwise nodes in our document sort first
-			ap[i] === preferredDoc ? -1 :
-			bp[i] === preferredDoc ? 1 :
+			// Support: IE 11+, Edge 17 - 18+
+			// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
+			// two documents; shallow comparisons work.
+			/* eslint-disable eqeqeq */
+			ap[ i ] == preferredDoc ? -1 :
+			bp[ i ] == preferredDoc ? 1 :
+			/* eslint-enable eqeqeq */
 			0;
 	};
 
@@ -1440,16 +1607,10 @@ Sizzle.matches = function( expr, elements ) {
 };
 
 Sizzle.matchesSelector = function( elem, expr ) {
-	// Set document vars if needed
-	if ( ( elem.ownerDocument || elem ) !== document ) {
-		setDocument( elem );
-	}
-
-	// Make sure that attribute selectors are quoted
-	expr = expr.replace( rattributeQuotes, "='$1']" );
+	setDocument( elem );
 
 	if ( support.matchesSelector && documentIsHTML &&
-		!compilerCache[ expr + " " ] &&
+		!nonnativeSelectorCache[ expr + " " ] &&
 		( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
 		( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {
 
@@ -1458,32 +1619,46 @@ Sizzle.matchesSelector = function( elem, expr ) {
 
 			// IE 9's matchesSelector returns false on disconnected nodes
 			if ( ret || support.disconnectedMatch ||
-					// As well, disconnected nodes are said to be in a document
-					// fragment in IE 9
-					elem.document && elem.document.nodeType !== 11 ) {
+
+				// As well, disconnected nodes are said to be in a document
+				// fragment in IE 9
+				elem.document && elem.document.nodeType !== 11 ) {
 				return ret;
 			}
-		} catch (e) {}
+		} catch ( e ) {
+			nonnativeSelectorCache( expr, true );
+		}
 	}
 
 	return Sizzle( expr, document, null, [ elem ] ).length > 0;
 };
 
 Sizzle.contains = function( context, elem ) {
+
 	// Set document vars if needed
-	if ( ( context.ownerDocument || context ) !== document ) {
+	// Support: IE 11+, Edge 17 - 18+
+	// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
+	// two documents; shallow comparisons work.
+	// eslint-disable-next-line eqeqeq
+	if ( ( context.ownerDocument || context ) != document ) {
 		setDocument( context );
 	}
 	return contains( context, elem );
 };
 
 Sizzle.attr = function( elem, name ) {
+
 	// Set document vars if needed
-	if ( ( elem.ownerDocument || elem ) !== document ) {
+	// Support: IE 11+, Edge 17 - 18+
+	// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
+	// two documents; shallow comparisons work.
+	// eslint-disable-next-line eqeqeq
+	if ( ( elem.ownerDocument || elem ) != document ) {
 		setDocument( elem );
 	}
 
 	var fn = Expr.attrHandle[ name.toLowerCase() ],
+
 		// Don't get fooled by Object.prototype properties (jQuery #13807)
 		val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
 			fn( elem, name, !documentIsHTML ) :
@@ -1493,11 +1668,15 @@ Sizzle.attr = function( elem, name ) {
 		val :
 		support.attributes || !documentIsHTML ?
 			elem.getAttribute( name ) :
-			(val = elem.getAttributeNode(name)) && val.specified ?
+			( val = elem.getAttributeNode( name ) ) && val.specified ?
 				val.value :
 				null;
 };
 
+Sizzle.escape = function( sel ) {
+	return ( sel + "" ).replace( rcssescape, fcssescape );
+};
+
 Sizzle.error = function( msg ) {
 	throw new Error( "Syntax error, unrecognized expression: " + msg );
 };
@@ -1518,7 +1697,7 @@ Sizzle.uniqueSort = function( results ) {
 	results.sort( sortOrder );
 
 	if ( hasDuplicate ) {
-		while ( (elem = results[i++]) ) {
+		while ( ( elem = results[ i++ ] ) ) {
 			if ( elem === results[ i ] ) {
 				j = duplicates.push( i );
 			}
@@ -1546,17 +1725,21 @@ getText = Sizzle.getText = function( elem ) {
 		nodeType = elem.nodeType;
 
 	if ( !nodeType ) {
+
 		// If no nodeType, this is expected to be an array
-		while ( (node = elem[i++]) ) {
+		while ( ( node = elem[ i++ ] ) ) {
+
 			// Do not traverse comment nodes
 			ret += getText( node );
 		}
 	} else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
+
 		// Use textContent for elements
 		// innerText usage removed for consistency of new lines (jQuery #11153)
 		if ( typeof elem.textContent === "string" ) {
 			return elem.textContent;
 		} else {
+
 			// Traverse its children
 			for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
 				ret += getText( elem );
@@ -1565,6 +1748,7 @@ getText = Sizzle.getText = function( elem ) {
 	} else if ( nodeType === 3 || nodeType === 4 ) {
 		return elem.nodeValue;
 	}
+
 	// Do not include comment or processing instruction nodes
 
 	return ret;
@@ -1592,19 +1776,21 @@ Expr = Sizzle.selectors = {
 
 	preFilter: {
 		"ATTR": function( match ) {
-			match[1] = match[1].replace( runescape, funescape );
+			match[ 1 ] = match[ 1 ].replace( runescape, funescape );
 
 			// Move the given value to match[3] whether quoted or unquoted
-			match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
+			match[ 3 ] = ( match[ 3 ] || match[ 4 ] ||
+				match[ 5 ] || "" ).replace( runescape, funescape );
 
-			if ( match[2] === "~=" ) {
-				match[3] = " " + match[3] + " ";
+			if ( match[ 2 ] === "~=" ) {
+				match[ 3 ] = " " + match[ 3 ] + " ";
 			}
 
 			return match.slice( 0, 4 );
 		},
 
 		"CHILD": function( match ) {
+
 			/* matches from matchExpr["CHILD"]
 				1 type (only|nth|...)
 				2 what (child|of-type)
@@ -1615,22 +1801,25 @@ Expr = Sizzle.selectors = {
 				7 sign of y-component
 				8 y of y-component
 			*/
-			match[1] = match[1].toLowerCase();
+			match[ 1 ] = match[ 1 ].toLowerCase();
+
+			if ( match[ 1 ].slice( 0, 3 ) === "nth" ) {
 
-			if ( match[1].slice( 0, 3 ) === "nth" ) {
 				// nth-* requires argument
-				if ( !match[3] ) {
-					Sizzle.error( match[0] );
+				if ( !match[ 3 ] ) {
+					Sizzle.error( match[ 0 ] );
 				}
 
 				// numeric x and y parameters for Expr.filter.CHILD
 				// remember that false/true cast respectively to 0/1
-				match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
-				match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
+				match[ 4 ] = +( match[ 4 ] ?
+					match[ 5 ] + ( match[ 6 ] || 1 ) :
+					2 * ( match[ 3 ] === "even" || match[ 3 ] === "odd" ) );
+				match[ 5 ] = +( ( match[ 7 ] + match[ 8 ] ) || match[ 3 ] === "odd" );
 
-			// other types prohibit arguments
-			} else if ( match[3] ) {
-				Sizzle.error( match[0] );
+				// other types prohibit arguments
+			} else if ( match[ 3 ] ) {
+				Sizzle.error( match[ 0 ] );
 			}
 
 			return match;
@@ -1638,26 +1827,28 @@ Expr = Sizzle.selectors = {
 
 		"PSEUDO": function( match ) {
 			var excess,
-				unquoted = !match[6] && match[2];
+				unquoted = !match[ 6 ] && match[ 2 ];
 
-			if ( matchExpr["CHILD"].test( match[0] ) ) {
+			if ( matchExpr[ "CHILD" ].test( match[ 0 ] ) ) {
 				return null;
 			}
 
 			// Accept quoted arguments as-is
-			if ( match[3] ) {
-				match[2] = match[4] || match[5] || "";
+			if ( match[ 3 ] ) {
+				match[ 2 ] = match[ 4 ] || match[ 5 ] || "";
 
 			// Strip excess characters from unquoted arguments
 			} else if ( unquoted && rpseudo.test( unquoted ) &&
+
 				// Get excess from tokenize (recursively)
-				(excess = tokenize( unquoted, true )) &&
+				( excess = tokenize( unquoted, true ) ) &&
+
 				// advance to the next closing parenthesis
-				(excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
+				( excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length ) ) {
 
 				// excess is a negative index
-				match[0] = match[0].slice( 0, excess );
-				match[2] = unquoted.slice( 0, excess );
+				match[ 0 ] = match[ 0 ].slice( 0, excess );
+				match[ 2 ] = unquoted.slice( 0, excess );
 			}
 
 			// Return only captures needed by the pseudo filter method (type and argument)
@@ -1670,7 +1861,9 @@ Expr = Sizzle.selectors = {
 		"TAG": function( nodeNameSelector ) {
 			var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
 			return nodeNameSelector === "*" ?
-				function() { return true; } :
+				function() {
+					return true;
+				} :
 				function( elem ) {
 					return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
 				};
@@ -1680,10 +1873,16 @@ Expr = Sizzle.selectors = {
 			var pattern = classCache[ className + " " ];
 
 			return pattern ||
-				(pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
-				classCache( className, function( elem ) {
-					return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" );
-				});
+				( pattern = new RegExp( "(^|" + whitespace +
+					")" + className + "(" + whitespace + "|$)" ) ) && classCache(
+						className, function( elem ) {
+							return pattern.test(
+								typeof elem.className === "string" && elem.className ||
+								typeof elem.getAttribute !== "undefined" &&
+									elem.getAttribute( "class" ) ||
+								""
+							);
+				} );
 		},
 
 		"ATTR": function( name, operator, check ) {
@@ -1699,6 +1898,8 @@ Expr = Sizzle.selectors = {
 
 				result += "";
 
+				/* eslint-disable max-len */
+
 				return operator === "=" ? result === check :
 					operator === "!=" ? result !== check :
 					operator === "^=" ? check && result.indexOf( check ) === 0 :
@@ -1707,10 +1908,12 @@ Expr = Sizzle.selectors = {
 					operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
 					operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
 					false;
+				/* eslint-enable max-len */
+
 			};
 		},
 
-		"CHILD": function( type, what, argument, first, last ) {
+		"CHILD": function( type, what, _argument, first, last ) {
 			var simple = type.slice( 0, 3 ) !== "nth",
 				forward = type.slice( -4 ) !== "last",
 				ofType = what === "of-type";
@@ -1722,7 +1925,7 @@ Expr = Sizzle.selectors = {
 					return !!elem.parentNode;
 				} :
 
-				function( elem, context, xml ) {
+				function( elem, _context, xml ) {
 					var cache, uniqueCache, outerCache, node, nodeIndex, start,
 						dir = simple !== forward ? "nextSibling" : "previousSibling",
 						parent = elem.parentNode,
@@ -1736,7 +1939,7 @@ Expr = Sizzle.selectors = {
 						if ( simple ) {
 							while ( dir ) {
 								node = elem;
-								while ( (node = node[ dir ]) ) {
+								while ( ( node = node[ dir ] ) ) {
 									if ( ofType ?
 										node.nodeName.toLowerCase() === name :
 										node.nodeType === 1 ) {
@@ -1744,6 +1947,7 @@ Expr = Sizzle.selectors = {
 										return false;
 									}
 								}
+
 								// Reverse direction for :only-* (if we haven't yet done so)
 								start = dir = type === "only" && !start && "nextSibling";
 							}
@@ -1759,22 +1963,22 @@ Expr = Sizzle.selectors = {
 
 							// ...in a gzip-friendly way
 							node = parent;
-							outerCache = node[ expando ] || (node[ expando ] = {});
+							outerCache = node[ expando ] || ( node[ expando ] = {} );
 
 							// Support: IE <9 only
 							// Defend against cloned attroperties (jQuery gh-1709)
 							uniqueCache = outerCache[ node.uniqueID ] ||
-								(outerCache[ node.uniqueID ] = {});
+								( outerCache[ node.uniqueID ] = {} );
 
 							cache = uniqueCache[ type ] || [];
 							nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
 							diff = nodeIndex && cache[ 2 ];
 							node = nodeIndex && parent.childNodes[ nodeIndex ];
 
-							while ( (node = ++nodeIndex && node && node[ dir ] ||
+							while ( ( node = ++nodeIndex && node && node[ dir ] ||
 
 								// Fallback to seeking `elem` from the start
-								(diff = nodeIndex = 0) || start.pop()) ) {
+								( diff = nodeIndex = 0 ) || start.pop() ) ) {
 
 								// When found, cache indexes on `parent` and break
 								if ( node.nodeType === 1 && ++diff && node === elem ) {
@@ -1784,16 +1988,18 @@ Expr = Sizzle.selectors = {
 							}
 
 						} else {
+
 							// Use previously-cached element index if available
 							if ( useCache ) {
+
 								// ...in a gzip-friendly way
 								node = elem;
-								outerCache = node[ expando ] || (node[ expando ] = {});
+								outerCache = node[ expando ] || ( node[ expando ] = {} );
 
 								// Support: IE <9 only
 								// Defend against cloned attroperties (jQuery gh-1709)
 								uniqueCache = outerCache[ node.uniqueID ] ||
-									(outerCache[ node.uniqueID ] = {});
+									( outerCache[ node.uniqueID ] = {} );
 
 								cache = uniqueCache[ type ] || [];
 								nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
@@ -1803,9 +2009,10 @@ Expr = Sizzle.selectors = {
 							// xml :nth-child(...)
 							// or :nth-last-child(...) or :nth(-last)?-of-type(...)
 							if ( diff === false ) {
+
 								// Use the same loop as above to seek `elem` from the start
-								while ( (node = ++nodeIndex && node && node[ dir ] ||
-									(diff = nodeIndex = 0) || start.pop()) ) {
+								while ( ( node = ++nodeIndex && node && node[ dir ] ||
+									( diff = nodeIndex = 0 ) || start.pop() ) ) {
 
 									if ( ( ofType ?
 										node.nodeName.toLowerCase() === name :
@@ -1814,12 +2021,13 @@ Expr = Sizzle.selectors = {
 
 										// Cache the index of each encountered element
 										if ( useCache ) {
-											outerCache = node[ expando ] || (node[ expando ] = {});
+											outerCache = node[ expando ] ||
+												( node[ expando ] = {} );
 
 											// Support: IE <9 only
 											// Defend against cloned attroperties (jQuery gh-1709)
 											uniqueCache = outerCache[ node.uniqueID ] ||
-												(outerCache[ node.uniqueID ] = {});
+												( outerCache[ node.uniqueID ] = {} );
 
 											uniqueCache[ type ] = [ dirruns, diff ];
 										}
@@ -1840,6 +2048,7 @@ Expr = Sizzle.selectors = {
 		},
 
 		"PSEUDO": function( pseudo, argument ) {
+
 			// pseudo-class names are case-insensitive
 			// http://www.w3.org/TR/selectors/#pseudo-classes
 			// Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
@@ -1859,15 +2068,15 @@ Expr = Sizzle.selectors = {
 			if ( fn.length > 1 ) {
 				args = [ pseudo, pseudo, "", argument ];
 				return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
-					markFunction(function( seed, matches ) {
+					markFunction( function( seed, matches ) {
 						var idx,
 							matched = fn( seed, argument ),
 							i = matched.length;
 						while ( i-- ) {
-							idx = indexOf( seed, matched[i] );
-							seed[ idx ] = !( matches[ idx ] = matched[i] );
+							idx = indexOf( seed, matched[ i ] );
+							seed[ idx ] = !( matches[ idx ] = matched[ i ] );
 						}
-					}) :
+					} ) :
 					function( elem ) {
 						return fn( elem, 0, args );
 					};
@@ -1878,8 +2087,10 @@ Expr = Sizzle.selectors = {
 	},
 
 	pseudos: {
+
 		// Potentially complex pseudos
-		"not": markFunction(function( selector ) {
+		"not": markFunction( function( selector ) {
+
 			// Trim the selector passed to compile
 			// to avoid treating leading and trailing
 			// spaces as combinators
@@ -1888,39 +2099,40 @@ Expr = Sizzle.selectors = {
 				matcher = compile( selector.replace( rtrim, "$1" ) );
 
 			return matcher[ expando ] ?
-				markFunction(function( seed, matches, context, xml ) {
+				markFunction( function( seed, matches, _context, xml ) {
 					var elem,
 						unmatched = matcher( seed, null, xml, [] ),
 						i = seed.length;
 
 					// Match elements unmatched by `matcher`
 					while ( i-- ) {
-						if ( (elem = unmatched[i]) ) {
-							seed[i] = !(matches[i] = elem);
+						if ( ( elem = unmatched[ i ] ) ) {
+							seed[ i ] = !( matches[ i ] = elem );
 						}
 					}
-				}) :
-				function( elem, context, xml ) {
-					input[0] = elem;
+				} ) :
+				function( elem, _context, xml ) {
+					input[ 0 ] = elem;
 					matcher( input, null, xml, results );
+
 					// Don't keep the element (issue #299)
-					input[0] = null;
+					input[ 0 ] = null;
 					return !results.pop();
 				};
-		}),
+		} ),
 
-		"has": markFunction(function( selector ) {
+		"has": markFunction( function( selector ) {
 			return function( elem ) {
 				return Sizzle( selector, elem ).length > 0;
 			};
-		}),
+		} ),
 
-		"contains": markFunction(function( text ) {
+		"contains": markFunction( function( text ) {
 			text = text.replace( runescape, funescape );
 			return function( elem ) {
-				return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;
+				return ( elem.textContent || getText( elem ) ).indexOf( text ) > -1;
 			};
-		}),
+		} ),
 
 		// "Whether an element is represented by a :lang() selector
 		// is based solely on the element's language value
@@ -1930,25 +2142,26 @@ Expr = Sizzle.selectors = {
 		// The identifier C does not have to be a valid language name."
 		// http://www.w3.org/TR/selectors/#lang-pseudo
 		"lang": markFunction( function( lang ) {
+
 			// lang value must be a valid identifier
-			if ( !ridentifier.test(lang || "") ) {
+			if ( !ridentifier.test( lang || "" ) ) {
 				Sizzle.error( "unsupported lang: " + lang );
 			}
 			lang = lang.replace( runescape, funescape ).toLowerCase();
 			return function( elem ) {
 				var elemLang;
 				do {
-					if ( (elemLang = documentIsHTML ?
+					if ( ( elemLang = documentIsHTML ?
 						elem.lang :
-						elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
+						elem.getAttribute( "xml:lang" ) || elem.getAttribute( "lang" ) ) ) {
 
 						elemLang = elemLang.toLowerCase();
 						return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
 					}
-				} while ( (elem = elem.parentNode) && elem.nodeType === 1 );
+				} while ( ( elem = elem.parentNode ) && elem.nodeType === 1 );
 				return false;
 			};
-		}),
+		} ),
 
 		// Miscellaneous
 		"target": function( elem ) {
@@ -1961,29 +2174,30 @@ Expr = Sizzle.selectors = {
 		},
 
 		"focus": function( elem ) {
-			return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
+			return elem === document.activeElement &&
+				( !document.hasFocus || document.hasFocus() ) &&
+				!!( elem.type || elem.href || ~elem.tabIndex );
 		},
 
 		// Boolean properties
-		"enabled": function( elem ) {
-			return elem.disabled === false;
-		},
-
-		"disabled": function( elem ) {
-			return elem.disabled === true;
-		},
+		"enabled": createDisabledPseudo( false ),
+		"disabled": createDisabledPseudo( true ),
 
 		"checked": function( elem ) {
+
 			// In CSS3, :checked should return both checked and selected elements
 			// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
 			var nodeName = elem.nodeName.toLowerCase();
-			return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
+			return ( nodeName === "input" && !!elem.checked ) ||
+				( nodeName === "option" && !!elem.selected );
 		},
 
 		"selected": function( elem ) {
+
 			// Accessing this property makes selected-by-default
 			// options in Safari work properly
 			if ( elem.parentNode ) {
+				// eslint-disable-next-line no-unused-expressions
 				elem.parentNode.selectedIndex;
 			}
 
@@ -1992,6 +2206,7 @@ Expr = Sizzle.selectors = {
 
 		// Contents
 		"empty": function( elem ) {
+
 			// http://www.w3.org/TR/selectors/#empty-pseudo
 			// :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
 			//   but not by others (comment: 8; processing instruction: 7; etc.)
@@ -2005,7 +2220,7 @@ Expr = Sizzle.selectors = {
 		},
 
 		"parent": function( elem ) {
-			return !Expr.pseudos["empty"]( elem );
+			return !Expr.pseudos[ "empty" ]( elem );
 		},
 
 		// Element/input types
@@ -2029,57 +2244,62 @@ Expr = Sizzle.selectors = {
 
 				// Support: IE<8
 				// New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
-				( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
+				( ( attr = elem.getAttribute( "type" ) ) == null ||
+					attr.toLowerCase() === "text" );
 		},
 
 		// Position-in-collection
-		"first": createPositionalPseudo(function() {
+		"first": createPositionalPseudo( function() {
 			return [ 0 ];
-		}),
+		} ),
 
-		"last": createPositionalPseudo(function( matchIndexes, length ) {
+		"last": createPositionalPseudo( function( _matchIndexes, length ) {
 			return [ length - 1 ];
-		}),
+		} ),
 
-		"eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
+		"eq": createPositionalPseudo( function( _matchIndexes, length, argument ) {
 			return [ argument < 0 ? argument + length : argument ];
-		}),
+		} ),
 
-		"even": createPositionalPseudo(function( matchIndexes, length ) {
+		"even": createPositionalPseudo( function( matchIndexes, length ) {
 			var i = 0;
 			for ( ; i < length; i += 2 ) {
 				matchIndexes.push( i );
 			}
 			return matchIndexes;
-		}),
+		} ),
 
-		"odd": createPositionalPseudo(function( matchIndexes, length ) {
+		"odd": createPositionalPseudo( function( matchIndexes, length ) {
 			var i = 1;
 			for ( ; i < length; i += 2 ) {
 				matchIndexes.push( i );
 			}
 			return matchIndexes;
-		}),
+		} ),
 
-		"lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
-			var i = argument < 0 ? argument + length : argument;
+		"lt": createPositionalPseudo( function( matchIndexes, length, argument ) {
+			var i = argument < 0 ?
+				argument + length :
+				argument > length ?
+					length :
+					argument;
 			for ( ; --i >= 0; ) {
 				matchIndexes.push( i );
 			}
 			return matchIndexes;
-		}),
+		} ),
 
-		"gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
+		"gt": createPositionalPseudo( function( matchIndexes, length, argument ) {
 			var i = argument < 0 ? argument + length : argument;
 			for ( ; ++i < length; ) {
 				matchIndexes.push( i );
 			}
 			return matchIndexes;
-		})
+		} )
 	}
 };
 
-Expr.pseudos["nth"] = Expr.pseudos["eq"];
+Expr.pseudos[ "nth" ] = Expr.pseudos[ "eq" ];
 
 // Add button/input type pseudos
 for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
@@ -2110,37 +2330,39 @@ tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
 	while ( soFar ) {
 
 		// Comma and first run
-		if ( !matched || (match = rcomma.exec( soFar )) ) {
+		if ( !matched || ( match = rcomma.exec( soFar ) ) ) {
 			if ( match ) {
+
 				// Don't consume trailing commas as valid
-				soFar = soFar.slice( match[0].length ) || soFar;
+				soFar = soFar.slice( match[ 0 ].length ) || soFar;
 			}
-			groups.push( (tokens = []) );
+			groups.push( ( tokens = [] ) );
 		}
 
 		matched = false;
 
 		// Combinators
-		if ( (match = rcombinators.exec( soFar )) ) {
+		if ( ( match = rcombinators.exec( soFar ) ) ) {
 			matched = match.shift();
-			tokens.push({
+			tokens.push( {
 				value: matched,
+
 				// Cast descendant combinators to space
-				type: match[0].replace( rtrim, " " )
-			});
+				type: match[ 0 ].replace( rtrim, " " )
+			} );
 			soFar = soFar.slice( matched.length );
 		}
 
 		// Filters
 		for ( type in Expr.filter ) {
-			if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
-				(match = preFilters[ type ]( match ))) ) {
+			if ( ( match = matchExpr[ type ].exec( soFar ) ) && ( !preFilters[ type ] ||
+				( match = preFilters[ type ]( match ) ) ) ) {
 				matched = match.shift();
-				tokens.push({
+				tokens.push( {
 					value: matched,
 					type: type,
 					matches: match
-				});
+				} );
 				soFar = soFar.slice( matched.length );
 			}
 		}
@@ -2157,6 +2379,7 @@ tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
 		soFar.length :
 		soFar ?
 			Sizzle.error( selector ) :
+
 			// Cache the tokens
 			tokenCache( selector, groups ).slice( 0 );
 };
@@ -2166,24 +2389,28 @@ function toSelector( tokens ) {
 		len = tokens.length,
 		selector = "";
 	for ( ; i < len; i++ ) {
-		selector += tokens[i].value;
+		selector += tokens[ i ].value;
 	}
 	return selector;
 }
 
 function addCombinator( matcher, combinator, base ) {
 	var dir = combinator.dir,
-		checkNonElements = base && dir === "parentNode",
+		skip = combinator.next,
+		key = skip || dir,
+		checkNonElements = base && key === "parentNode",
 		doneName = done++;
 
 	return combinator.first ?
+
 		// Check against closest ancestor/preceding element
 		function( elem, context, xml ) {
-			while ( (elem = elem[ dir ]) ) {
+			while ( ( elem = elem[ dir ] ) ) {
 				if ( elem.nodeType === 1 || checkNonElements ) {
 					return matcher( elem, context, xml );
 				}
 			}
+			return false;
 		} :
 
 		// Check against all ancestor/preceding elements
@@ -2193,7 +2420,7 @@ function addCombinator( matcher, combinator, base ) {
 
 			// We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
 			if ( xml ) {
-				while ( (elem = elem[ dir ]) ) {
+				while ( ( elem = elem[ dir ] ) ) {
 					if ( elem.nodeType === 1 || checkNonElements ) {
 						if ( matcher( elem, context, xml ) ) {
 							return true;
@@ -2201,31 +2428,36 @@ function addCombinator( matcher, combinator, base ) {
 					}
 				}
 			} else {
-				while ( (elem = elem[ dir ]) ) {
+				while ( ( elem = elem[ dir ] ) ) {
 					if ( elem.nodeType === 1 || checkNonElements ) {
-						outerCache = elem[ expando ] || (elem[ expando ] = {});
+						outerCache = elem[ expando ] || ( elem[ expando ] = {} );
 
 						// Support: IE <9 only
 						// Defend against cloned attroperties (jQuery gh-1709)
-						uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {});
+						uniqueCache = outerCache[ elem.uniqueID ] ||
+							( outerCache[ elem.uniqueID ] = {} );
 
-						if ( (oldCache = uniqueCache[ dir ]) &&
+						if ( skip && skip === elem.nodeName.toLowerCase() ) {
+							elem = elem[ dir ] || elem;
+						} else if ( ( oldCache = uniqueCache[ key ] ) &&
 							oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
 
 							// Assign to newCache so results back-propagate to previous elements
-							return (newCache[ 2 ] = oldCache[ 2 ]);
+							return ( newCache[ 2 ] = oldCache[ 2 ] );
 						} else {
+
 							// Reuse newcache so results back-propagate to previous elements
-							uniqueCache[ dir ] = newCache;
+							uniqueCache[ key ] = newCache;
 
 							// A match means we're done; a fail means we have to keep checking
-							if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
+							if ( ( newCache[ 2 ] = matcher( elem, context, xml ) ) ) {
 								return true;
 							}
 						}
 					}
 				}
 			}
+			return false;
 		};
 }
 
@@ -2234,20 +2466,20 @@ function elementMatcher( matchers ) {
 		function( elem, context, xml ) {
 			var i = matchers.length;
 			while ( i-- ) {
-				if ( !matchers[i]( elem, context, xml ) ) {
+				if ( !matchers[ i ]( elem, context, xml ) ) {
 					return false;
 				}
 			}
 			return true;
 		} :
-		matchers[0];
+		matchers[ 0 ];
 }
 
 function multipleContexts( selector, contexts, results ) {
 	var i = 0,
 		len = contexts.length;
 	for ( ; i < len; i++ ) {
-		Sizzle( selector, contexts[i], results );
+		Sizzle( selector, contexts[ i ], results );
 	}
 	return results;
 }
@@ -2260,7 +2492,7 @@ function condense( unmatched, map, filter, context, xml ) {
 		mapped = map != null;
 
 	for ( ; i < len; i++ ) {
-		if ( (elem = unmatched[i]) ) {
+		if ( ( elem = unmatched[ i ] ) ) {
 			if ( !filter || filter( elem, context, xml ) ) {
 				newUnmatched.push( elem );
 				if ( mapped ) {
@@ -2280,14 +2512,18 @@ function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postS
 	if ( postFinder && !postFinder[ expando ] ) {
 		postFinder = setMatcher( postFinder, postSelector );
 	}
-	return markFunction(function( seed, results, context, xml ) {
+	return markFunction( function( seed, results, context, xml ) {
 		var temp, i, elem,
 			preMap = [],
 			postMap = [],
 			preexisting = results.length,
 
 			// Get initial elements from seed or context
-			elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
+			elems = seed || multipleContexts(
+				selector || "*",
+				context.nodeType ? [ context ] : context,
+				[]
+			),
 
 			// Prefilter to get matcher input, preserving a map for seed-results synchronization
 			matcherIn = preFilter && ( seed || !selector ) ?
@@ -2295,6 +2531,7 @@ function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postS
 				elems,
 
 			matcherOut = matcher ?
+
 				// If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
 				postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
 
@@ -2318,8 +2555,8 @@ function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postS
 			// Un-match failing elements by moving them back to matcherIn
 			i = temp.length;
 			while ( i-- ) {
-				if ( (elem = temp[i]) ) {
-					matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
+				if ( ( elem = temp[ i ] ) ) {
+					matcherOut[ postMap[ i ] ] = !( matcherIn[ postMap[ i ] ] = elem );
 				}
 			}
 		}
@@ -2327,25 +2564,27 @@ function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postS
 		if ( seed ) {
 			if ( postFinder || preFilter ) {
 				if ( postFinder ) {
+
 					// Get the final matcherOut by condensing this intermediate into postFinder contexts
 					temp = [];
 					i = matcherOut.length;
 					while ( i-- ) {
-						if ( (elem = matcherOut[i]) ) {
+						if ( ( elem = matcherOut[ i ] ) ) {
+
 							// Restore matcherIn since elem is not yet a final match
-							temp.push( (matcherIn[i] = elem) );
+							temp.push( ( matcherIn[ i ] = elem ) );
 						}
 					}
-					postFinder( null, (matcherOut = []), temp, xml );
+					postFinder( null, ( matcherOut = [] ), temp, xml );
 				}
 
 				// Move matched elements from seed to results to keep them synchronized
 				i = matcherOut.length;
 				while ( i-- ) {
-					if ( (elem = matcherOut[i]) &&
-						(temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {
+					if ( ( elem = matcherOut[ i ] ) &&
+						( temp = postFinder ? indexOf( seed, elem ) : preMap[ i ] ) > -1 ) {
 
-						seed[temp] = !(results[temp] = elem);
+						seed[ temp ] = !( results[ temp ] = elem );
 					}
 				}
 			}
@@ -2363,14 +2602,14 @@ function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postS
 				push.apply( results, matcherOut );
 			}
 		}
-	});
+	} );
 }
 
 function matcherFromTokens( tokens ) {
 	var checkContext, matcher, j,
 		len = tokens.length,
-		leadingRelative = Expr.relative[ tokens[0].type ],
-		implicitRelative = leadingRelative || Expr.relative[" "],
+		leadingRelative = Expr.relative[ tokens[ 0 ].type ],
+		implicitRelative = leadingRelative || Expr.relative[ " " ],
 		i = leadingRelative ? 1 : 0,
 
 		// The foundational matcher ensures that elements are reachable from top-level context(s)
@@ -2382,38 +2621,43 @@ function matcherFromTokens( tokens ) {
 		}, implicitRelative, true ),
 		matchers = [ function( elem, context, xml ) {
 			var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
-				(checkContext = context).nodeType ?
+				( checkContext = context ).nodeType ?
 					matchContext( elem, context, xml ) :
 					matchAnyContext( elem, context, xml ) );
+
 			// Avoid hanging onto element (issue #299)
 			checkContext = null;
 			return ret;
 		} ];
 
 	for ( ; i < len; i++ ) {
-		if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
-			matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
+		if ( ( matcher = Expr.relative[ tokens[ i ].type ] ) ) {
+			matchers = [ addCombinator( elementMatcher( matchers ), matcher ) ];
 		} else {
-			matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
+			matcher = Expr.filter[ tokens[ i ].type ].apply( null, tokens[ i ].matches );
 
 			// Return special upon seeing a positional matcher
 			if ( matcher[ expando ] ) {
+
 				// Find the next relative operator (if any) for proper handling
 				j = ++i;
 				for ( ; j < len; j++ ) {
-					if ( Expr.relative[ tokens[j].type ] ) {
+					if ( Expr.relative[ tokens[ j ].type ] ) {
 						break;
 					}
 				}
 				return setMatcher(
 					i > 1 && elementMatcher( matchers ),
 					i > 1 && toSelector(
-						// If the preceding token was a descendant combinator, insert an implicit any-element `*`
-						tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
+
+					// If the preceding token was a descendant combinator, insert an implicit any-element `*`
+					tokens
+						.slice( 0, i - 1 )
+						.concat( { value: tokens[ i - 2 ].type === " " ? "*" : "" } )
 					).replace( rtrim, "$1" ),
 					matcher,
 					i < j && matcherFromTokens( tokens.slice( i, j ) ),
-					j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
+					j < len && matcherFromTokens( ( tokens = tokens.slice( j ) ) ),
 					j < len && toSelector( tokens )
 				);
 			}
@@ -2434,28 +2678,40 @@ function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
 				unmatched = seed && [],
 				setMatched = [],
 				contextBackup = outermostContext,
+
 				// We must always have either seed elements or outermost context
-				elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
+				elems = seed || byElement && Expr.find[ "TAG" ]( "*", outermost ),
+
 				// Use integer dirruns iff this is the outermost matcher
-				dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
+				dirrunsUnique = ( dirruns += contextBackup == null ? 1 : Math.random() || 0.1 ),
 				len = elems.length;
 
 			if ( outermost ) {
-				outermostContext = context === document || context || outermost;
+
+				// Support: IE 11+, Edge 17 - 18+
+				// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
+				// two documents; shallow comparisons work.
+				// eslint-disable-next-line eqeqeq
+				outermostContext = context == document || context || outermost;
 			}
 
 			// Add elements passing elementMatchers directly to results
 			// Support: IE<9, Safari
 			// Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
-			for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
+			for ( ; i !== len && ( elem = elems[ i ] ) != null; i++ ) {
 				if ( byElement && elem ) {
 					j = 0;
-					if ( !context && elem.ownerDocument !== document ) {
+
+					// Support: IE 11+, Edge 17 - 18+
+					// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
+					// two documents; shallow comparisons work.
+					// eslint-disable-next-line eqeqeq
+					if ( !context && elem.ownerDocument != document ) {
 						setDocument( elem );
 						xml = !documentIsHTML;
 					}
-					while ( (matcher = elementMatchers[j++]) ) {
-						if ( matcher( elem, context || document, xml) ) {
+					while ( ( matcher = elementMatchers[ j++ ] ) ) {
+						if ( matcher( elem, context || document, xml ) ) {
 							results.push( elem );
 							break;
 						}
@@ -2467,8 +2723,9 @@ function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
 
 				// Track unmatched elements for set filters
 				if ( bySet ) {
+
 					// They will have gone through all possible matchers
-					if ( (elem = !matcher && elem) ) {
+					if ( ( elem = !matcher && elem ) ) {
 						matchedCount--;
 					}
 
@@ -2492,16 +2749,17 @@ function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
 			// numerically zero.
 			if ( bySet && i !== matchedCount ) {
 				j = 0;
-				while ( (matcher = setMatchers[j++]) ) {
+				while ( ( matcher = setMatchers[ j++ ] ) ) {
 					matcher( unmatched, setMatched, context, xml );
 				}
 
 				if ( seed ) {
+
 					// Reintegrate element matches to eliminate the need for sorting
 					if ( matchedCount > 0 ) {
 						while ( i-- ) {
-							if ( !(unmatched[i] || setMatched[i]) ) {
-								setMatched[i] = pop.call( results );
+							if ( !( unmatched[ i ] || setMatched[ i ] ) ) {
+								setMatched[ i ] = pop.call( results );
 							}
 						}
 					}
@@ -2542,13 +2800,14 @@ compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
 		cached = compilerCache[ selector + " " ];
 
 	if ( !cached ) {
+
 		// Generate a function of recursive functions that can be used to check each element
 		if ( !match ) {
 			match = tokenize( selector );
 		}
 		i = match.length;
 		while ( i-- ) {
-			cached = matcherFromTokens( match[i] );
+			cached = matcherFromTokens( match[ i ] );
 			if ( cached[ expando ] ) {
 				setMatchers.push( cached );
 			} else {
@@ -2557,7 +2816,10 @@ compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
 		}
 
 		// Cache the compiled function
-		cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
+		cached = compilerCache(
+			selector,
+			matcherFromGroupMatchers( elementMatchers, setMatchers )
+		);
 
 		// Save selector and tokenization
 		cached.selector = selector;
@@ -2577,7 +2839,7 @@ compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
 select = Sizzle.select = function( selector, context, results, seed ) {
 	var i, tokens, token, type, find,
 		compiled = typeof selector === "function" && selector,
-		match = !seed && tokenize( (selector = compiled.selector || selector) );
+		match = !seed && tokenize( ( selector = compiled.selector || selector ) );
 
 	results = results || [];
 
@@ -2586,12 +2848,12 @@ select = Sizzle.select = function( selector, context, results, seed ) {
 	if ( match.length === 1 ) {
 
 		// Reduce context if the leading compound selector is an ID
-		tokens = match[0] = match[0].slice( 0 );
-		if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
-				support.getById && context.nodeType === 9 && documentIsHTML &&
-				Expr.relative[ tokens[1].type ] ) {
+		tokens = match[ 0 ] = match[ 0 ].slice( 0 );
+		if ( tokens.length > 2 && ( token = tokens[ 0 ] ).type === "ID" &&
+			context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[ 1 ].type ] ) {
 
-			context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
+			context = ( Expr.find[ "ID" ]( token.matches[ 0 ]
+				.replace( runescape, funescape ), context ) || [] )[ 0 ];
 			if ( !context ) {
 				return results;
 
@@ -2604,20 +2866,22 @@ select = Sizzle.select = function( selector, context, results, seed ) {
 		}
 
 		// Fetch a seed set for right-to-left matching
-		i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
+		i = matchExpr[ "needsContext" ].test( selector ) ? 0 : tokens.length;
 		while ( i-- ) {
-			token = tokens[i];
+			token = tokens[ i ];
 
 			// Abort if we hit a combinator
-			if ( Expr.relative[ (type = token.type) ] ) {
+			if ( Expr.relative[ ( type = token.type ) ] ) {
 				break;
 			}
-			if ( (find = Expr.find[ type ]) ) {
+			if ( ( find = Expr.find[ type ] ) ) {
+
 				// Search, expanding context for leading sibling combinators
-				if ( (seed = find(
-					token.matches[0].replace( runescape, funescape ),
-					rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
-				)) ) {
+				if ( ( seed = find(
+					token.matches[ 0 ].replace( runescape, funescape ),
+					rsibling.test( tokens[ 0 ].type ) && testContext( context.parentNode ) ||
+						context
+				) ) ) {
 
 					// If seed is empty or no tokens remain, we can return early
 					tokens.splice( i, 1 );
@@ -2648,7 +2912,7 @@ select = Sizzle.select = function( selector, context, results, seed ) {
 // One-time assignments
 
 // Sort stability
-support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
+support.sortStable = expando.split( "" ).sort( sortOrder ).join( "" ) === expando;
 
 // Support: Chrome 14-35+
 // Always assume duplicates if they aren't passed to the comparison function
@@ -2659,68 +2923,73 @@ setDocument();
 
 // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
 // Detached nodes confoundingly follow *each other*
-support.sortDetached = assert(function( div1 ) {
+support.sortDetached = assert( function( el ) {
+
 	// Should return 1, but returns 4 (following)
-	return div1.compareDocumentPosition( document.createElement("div") ) & 1;
-});
+	return el.compareDocumentPosition( document.createElement( "fieldset" ) ) & 1;
+} );
 
 // Support: IE<8
 // Prevent attribute/property "interpolation"
-// http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
-if ( !assert(function( div ) {
-	div.innerHTML = "<a href='#'></a>";
-	return div.firstChild.getAttribute("href") === "#" ;
-}) ) {
+// https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
+if ( !assert( function( el ) {
+	el.innerHTML = "<a href='#'></a>";
+	return el.firstChild.getAttribute( "href" ) === "#";
+} ) ) {
 	addHandle( "type|href|height|width", function( elem, name, isXML ) {
 		if ( !isXML ) {
 			return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
 		}
-	});
+	} );
 }
 
 // Support: IE<9
 // Use defaultValue in place of getAttribute("value")
-if ( !support.attributes || !assert(function( div ) {
-	div.innerHTML = "<input/>";
-	div.firstChild.setAttribute( "value", "" );
-	return div.firstChild.getAttribute( "value" ) === "";
-}) ) {
-	addHandle( "value", function( elem, name, isXML ) {
+if ( !support.attributes || !assert( function( el ) {
+	el.innerHTML = "<input/>";
+	el.firstChild.setAttribute( "value", "" );
+	return el.firstChild.getAttribute( "value" ) === "";
+} ) ) {
+	addHandle( "value", function( elem, _name, isXML ) {
 		if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
 			return elem.defaultValue;
 		}
-	});
+	} );
 }
 
 // Support: IE<9
 // Use getAttributeNode to fetch booleans when getAttribute lies
-if ( !assert(function( div ) {
-	return div.getAttribute("disabled") == null;
-}) ) {
+if ( !assert( function( el ) {
+	return el.getAttribute( "disabled" ) == null;
+} ) ) {
 	addHandle( booleans, function( elem, name, isXML ) {
 		var val;
 		if ( !isXML ) {
 			return elem[ name ] === true ? name.toLowerCase() :
-					(val = elem.getAttributeNode( name )) && val.specified ?
+				( val = elem.getAttributeNode( name ) ) && val.specified ?
 					val.value :
-				null;
+					null;
 		}
-	});
+	} );
 }
 
 return Sizzle;
 
-})( window );
+} )( window );
 
 
 
 jQuery.find = Sizzle;
 jQuery.expr = Sizzle.selectors;
+
+// Deprecated
 jQuery.expr[ ":" ] = jQuery.expr.pseudos;
 jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
 jQuery.text = Sizzle.getText;
 jQuery.isXMLDoc = Sizzle.isXML;
 jQuery.contains = Sizzle.contains;
+jQuery.escapeSelector = Sizzle.escape;
+
 
 
 
@@ -2755,40 +3024,41 @@ var siblings = function( n, elem ) {
 
 var rneedsContext = jQuery.expr.match.needsContext;
 
-var rsingleTag = ( /^<([\w-]+)\s*\/?>(?:<\/\1>|)$/ );
 
 
+function nodeName( elem, name ) {
+
+	return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
+
+}
+var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
+
 
-var risSimple = /^.[^:#\[\.,]*$/;
 
 // Implement the identical functionality for filter and not
 function winnow( elements, qualifier, not ) {
-	if ( jQuery.isFunction( qualifier ) ) {
+	if ( isFunction( qualifier ) ) {
 		return jQuery.grep( elements, function( elem, i ) {
-			/* jshint -W018 */
 			return !!qualifier.call( elem, i, elem ) !== not;
 		} );
-
 	}
 
+	// Single element
 	if ( qualifier.nodeType ) {
 		return jQuery.grep( elements, function( elem ) {
 			return ( elem === qualifier ) !== not;
 		} );
-
 	}
 
-	if ( typeof qualifier === "string" ) {
-		if ( risSimple.test( qualifier ) ) {
-			return jQuery.filter( qualifier, elements, not );
-		}
-
-		qualifier = jQuery.filter( qualifier, elements );
+	// Arraylike of elements (jQuery, arguments, Array)
+	if ( typeof qualifier !== "string" ) {
+		return jQuery.grep( elements, function( elem ) {
+			return ( indexOf.call( qualifier, elem ) > -1 ) !== not;
+		} );
 	}
 
-	return jQuery.grep( elements, function( elem ) {
-		return ( jQuery.inArray( elem, qualifier ) > -1 ) !== not;
-	} );
+	// Filtered directly for both simple and complex selectors
+	return jQuery.filter( qualifier, elements, not );
 }
 
 jQuery.filter = function( expr, elems, not ) {
@@ -2798,19 +3068,20 @@ jQuery.filter = function( expr, elems, not ) {
 		expr = ":not(" + expr + ")";
 	}
 
-	return elems.length === 1 && elem.nodeType === 1 ?
-		jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] :
-		jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
-			return elem.nodeType === 1;
-		} ) );
+	if ( elems.length === 1 && elem.nodeType === 1 ) {
+		return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [];
+	}
+
+	return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
+		return elem.nodeType === 1;
+	} ) );
 };
 
 jQuery.fn.extend( {
 	find: function( selector ) {
-		var i,
-			ret = [],
-			self = this,
-			len = self.length;
+		var i, ret,
+			len = this.length,
+			self = this;
 
 		if ( typeof selector !== "string" ) {
 			return this.pushStack( jQuery( selector ).filter( function() {
@@ -2822,14 +3093,13 @@ jQuery.fn.extend( {
 			} ) );
 		}
 
+		ret = this.pushStack( [] );
+
 		for ( i = 0; i < len; i++ ) {
 			jQuery.find( selector, self[ i ], ret );
 		}
 
-		// Needed because $( selector, context ) becomes $( context ).find( selector )
-		ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret );
-		ret.selector = this.selector ? this.selector + " " + selector : selector;
-		return ret;
+		return len > 1 ? jQuery.uniqueSort( ret ) : ret;
 	},
 	filter: function( selector ) {
 		return this.pushStack( winnow( this, selector || [], false ) );
@@ -2861,7 +3131,8 @@ var rootjQuery,
 	// A simple way to check for HTML strings
 	// Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
 	// Strict HTML recognition (#11290: must start with <)
-	rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/,
+	// Shortcut simple #id case for speed
+	rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
 
 	init = jQuery.fn.init = function( selector, context, root ) {
 		var match, elem;
@@ -2871,14 +3142,14 @@ var rootjQuery,
 			return this;
 		}
 
-		// init accepts an alternate rootjQuery
+		// Method init() accepts an alternate rootjQuery
 		// so migrate can support jQuery.sub (gh-2101)
 		root = root || rootjQuery;
 
 		// Handle HTML strings
 		if ( typeof selector === "string" ) {
-			if ( selector.charAt( 0 ) === "<" &&
-				selector.charAt( selector.length - 1 ) === ">" &&
+			if ( selector[ 0 ] === "<" &&
+				selector[ selector.length - 1 ] === ">" &&
 				selector.length >= 3 ) {
 
 				// Assume that strings that start and end with <> are HTML and skip the regex check
@@ -2895,7 +3166,7 @@ var rootjQuery,
 				if ( match[ 1 ] ) {
 					context = context instanceof jQuery ? context[ 0 ] : context;
 
-					// scripts is true for back-compat
+					// Option to run scripts is true for back-compat
 					// Intentionally let the error be thrown if parseHTML is not present
 					jQuery.merge( this, jQuery.parseHTML(
 						match[ 1 ],
@@ -2908,7 +3179,7 @@ var rootjQuery,
 						for ( match in context ) {
 
 							// Properties of context are called as methods if possible
-							if ( jQuery.isFunction( this[ match ] ) ) {
+							if ( isFunction( this[ match ] ) ) {
 								this[ match ]( context[ match ] );
 
 							// ...and otherwise set as attributes
@@ -2924,23 +3195,12 @@ var rootjQuery,
 				} else {
 					elem = document.getElementById( match[ 2 ] );
 
-					// Check parentNode to catch when Blackberry 4.6 returns
-					// nodes that are no longer in the document #6963
-					if ( elem && elem.parentNode ) {
-
-						// Handle the case where IE and Opera return items
-						// by name instead of ID
-						if ( elem.id !== match[ 2 ] ) {
-							return rootjQuery.find( selector );
-						}
+					if ( elem ) {
 
-						// Otherwise, we inject the element directly into the jQuery object
-						this.length = 1;
+						// Inject the element directly into the jQuery object
 						this[ 0 ] = elem;
+						this.length = 1;
 					}
-
-					this.context = document;
-					this.selector = selector;
 					return this;
 				}
 
@@ -2956,25 +3216,20 @@ var rootjQuery,
 
 		// HANDLE: $(DOMElement)
 		} else if ( selector.nodeType ) {
-			this.context = this[ 0 ] = selector;
+			this[ 0 ] = selector;
 			this.length = 1;
 			return this;
 
 		// HANDLE: $(function)
 		// Shortcut for document ready
-		} else if ( jQuery.isFunction( selector ) ) {
-			return typeof root.ready !== "undefined" ?
+		} else if ( isFunction( selector ) ) {
+			return root.ready !== undefined ?
 				root.ready( selector ) :
 
 				// Execute immediately if ready is not present
 				selector( jQuery );
 		}
 
-		if ( selector.selector !== undefined ) {
-			this.selector = selector.selector;
-			this.context = selector.context;
-		}
-
 		return jQuery.makeArray( selector, this );
 	};
 
@@ -2987,7 +3242,7 @@ rootjQuery = jQuery( document );
 
 var rparentsprev = /^(?:parents|prev(?:Until|All))/,
 
-	// methods guaranteed to produce a unique set when starting from a unique set
+	// Methods guaranteed to produce a unique set when starting from a unique set
 	guaranteedUnique = {
 		children: true,
 		contents: true,
@@ -2997,12 +3252,12 @@ var rparentsprev = /^(?:parents|prev(?:Until|All))/,
 
 jQuery.fn.extend( {
 	has: function( target ) {
-		var i,
-			targets = jQuery( target, this ),
-			len = targets.length;
+		var targets = jQuery( target, this ),
+			l = targets.length;
 
 		return this.filter( function() {
-			for ( i = 0; i < len; i++ ) {
+			var i = 0;
+			for ( ; i < l; i++ ) {
 				if ( jQuery.contains( this, targets[ i ] ) ) {
 					return true;
 				}
@@ -3015,23 +3270,24 @@ jQuery.fn.extend( {
 			i = 0,
 			l = this.length,
 			matched = [],
-			pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ?
-				jQuery( selectors, context || this.context ) :
-				0;
+			targets = typeof selectors !== "string" && jQuery( selectors );
 
-		for ( ; i < l; i++ ) {
-			for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
+		// Positional selectors never match, since there's no _selection_ context
+		if ( !rneedsContext.test( selectors ) ) {
+			for ( ; i < l; i++ ) {
+				for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
 
-				// Always skip document fragments
-				if ( cur.nodeType < 11 && ( pos ?
-					pos.index( cur ) > -1 :
+					// Always skip document fragments
+					if ( cur.nodeType < 11 && ( targets ?
+						targets.index( cur ) > -1 :
 
-					// Don't pass non-elements to Sizzle
-					cur.nodeType === 1 &&
-						jQuery.find.matchesSelector( cur, selectors ) ) ) {
+						// Don't pass non-elements to Sizzle
+						cur.nodeType === 1 &&
+							jQuery.find.matchesSelector( cur, selectors ) ) ) {
 
-					matched.push( cur );
-					break;
+						matched.push( cur );
+						break;
+					}
 				}
 			}
 		}
@@ -3039,8 +3295,7 @@ jQuery.fn.extend( {
 		return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );
 	},
 
-	// Determine the position of an element within
-	// the matched set of elements
+	// Determine the position of an element within the set
 	index: function( elem ) {
 
 		// No argument, return index in parent
@@ -3048,16 +3303,17 @@ jQuery.fn.extend( {
 			return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
 		}
 
-		// index in selector
+		// Index in selector
 		if ( typeof elem === "string" ) {
-			return jQuery.inArray( this[ 0 ], jQuery( elem ) );
+			return indexOf.call( jQuery( elem ), this[ 0 ] );
 		}
 
 		// Locate the position of the desired element
-		return jQuery.inArray(
+		return indexOf.call( this,
 
 			// If it receives a jQuery object, the first element is used
-			elem.jquery ? elem[ 0 ] : elem, this );
+			elem.jquery ? elem[ 0 ] : elem
+		);
 	},
 
 	add: function( selector, context ) {
@@ -3076,10 +3332,7 @@ jQuery.fn.extend( {
 } );
 
 function sibling( cur, dir ) {
-	do {
-		cur = cur[ dir ];
-	} while ( cur && cur.nodeType !== 1 );
-
+	while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {}
 	return cur;
 }
 
@@ -3091,7 +3344,7 @@ jQuery.each( {
 	parents: function( elem ) {
 		return dir( elem, "parentNode" );
 	},
-	parentsUntil: function( elem, i, until ) {
+	parentsUntil: function( elem, _i, until ) {
 		return dir( elem, "parentNode", until );
 	},
 	next: function( elem ) {
@@ -3106,10 +3359,10 @@ jQuery.each( {
 	prevAll: function( elem ) {
 		return dir( elem, "previousSibling" );
 	},
-	nextUntil: function( elem, i, until ) {
+	nextUntil: function( elem, _i, until ) {
 		return dir( elem, "nextSibling", until );
 	},
-	prevUntil: function( elem, i, until ) {
+	prevUntil: function( elem, _i, until ) {
 		return dir( elem, "previousSibling", until );
 	},
 	siblings: function( elem ) {
@@ -3119,46 +3372,61 @@ jQuery.each( {
 		return siblings( elem.firstChild );
 	},
 	contents: function( elem ) {
-		return jQuery.nodeName( elem, "iframe" ) ?
-			elem.contentDocument || elem.contentWindow.document :
-			jQuery.merge( [], elem.childNodes );
+		if ( elem.contentDocument != null &&
+
+			// Support: IE 11+
+			// <object> elements with no `data` attribute has an object
+			// `contentDocument` with a `null` prototype.
+			getProto( elem.contentDocument ) ) {
+
+			return elem.contentDocument;
+		}
+
+		// Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only
+		// Treat the template element as a regular one in browsers that
+		// don't support it.
+		if ( nodeName( elem, "template" ) ) {
+			elem = elem.content || elem;
+		}
+
+		return jQuery.merge( [], elem.childNodes );
 	}
 }, function( name, fn ) {
 	jQuery.fn[ name ] = function( until, selector ) {
-		var ret = jQuery.map( this, fn, until );
+		var matched = jQuery.map( this, fn, until );
 
 		if ( name.slice( -5 ) !== "Until" ) {
 			selector = until;
 		}
 
 		if ( selector && typeof selector === "string" ) {
-			ret = jQuery.filter( selector, ret );
+			matched = jQuery.filter( selector, matched );
 		}
 
 		if ( this.length > 1 ) {
 
 			// Remove duplicates
 			if ( !guaranteedUnique[ name ] ) {
-				ret = jQuery.uniqueSort( ret );
+				jQuery.uniqueSort( matched );
 			}
 
 			// Reverse order for parents* and prev-derivatives
 			if ( rparentsprev.test( name ) ) {
-				ret = ret.reverse();
+				matched.reverse();
 			}
 		}
 
-		return this.pushStack( ret );
+		return this.pushStack( matched );
 	};
 } );
-var rnotwhite = ( /\S+/g );
+var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g );
 
 
 
 // Convert String-formatted options into Object-formatted ones
 function createOptions( options ) {
 	var object = {};
-	jQuery.each( options.match( rnotwhite ) || [], function( _, flag ) {
+	jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) {
 		object[ flag ] = true;
 	} );
 	return object;
@@ -3219,7 +3487,7 @@ jQuery.Callbacks = function( options ) {
 		fire = function() {
 
 			// Enforce single-firing
-			locked = options.once;
+			locked = locked || options.once;
 
 			// Execute callbacks for all pending executions,
 			// respecting firingIndex overrides and runtime changes
@@ -3275,11 +3543,11 @@ jQuery.Callbacks = function( options ) {
 
 					( function add( args ) {
 						jQuery.each( args, function( _, arg ) {
-							if ( jQuery.isFunction( arg ) ) {
+							if ( isFunction( arg ) ) {
 								if ( !options.unique || !self.has( arg ) ) {
 									list.push( arg );
 								}
-							} else if ( arg && arg.length && jQuery.type( arg ) !== "string" ) {
+							} else if ( arg && arg.length && toType( arg ) !== "string" ) {
 
 								// Inspect recursively
 								add( arg );
@@ -3342,9 +3610,9 @@ jQuery.Callbacks = function( options ) {
 			// Also disable .add unless we have memory (since it would have no effect)
 			// Abort any pending executions
 			lock: function() {
-				locked = true;
-				if ( !memory ) {
-					self.disable();
+				locked = queue = [];
+				if ( !memory && !firing ) {
+					list = memory = "";
 				}
 				return this;
 			},
@@ -3381,15 +3649,59 @@ jQuery.Callbacks = function( options ) {
 };
 
 
+function Identity( v ) {
+	return v;
+}
+function Thrower( ex ) {
+	throw ex;
+}
+
+function adoptValue( value, resolve, reject, noValue ) {
+	var method;
+
+	try {
+
+		// Check for promise aspect first to privilege synchronous behavior
+		if ( value && isFunction( ( method = value.promise ) ) ) {
+			method.call( value ).done( resolve ).fail( reject );
+
+		// Other thenables
+		} else if ( value && isFunction( ( method = value.then ) ) ) {
+			method.call( value, resolve, reject );
+
+		// Other non-thenables
+		} else {
+
+			// Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer:
+			// * false: [ value ].slice( 0 ) => resolve( value )
+			// * true: [ value ].slice( 1 ) => resolve()
+			resolve.apply( undefined, [ value ].slice( noValue ) );
+		}
+
+	// For Promises/A+, convert exceptions into rejections
+	// Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in
+	// Deferred#then to conditionally suppress rejection.
+	} catch ( value ) {
+
+		// Support: Android 4.0 only
+		// Strict mode functions invoked without .call/.apply get global-object context
+		reject.apply( undefined, [ value ] );
+	}
+}
+
 jQuery.extend( {
 
 	Deferred: function( func ) {
 		var tuples = [
 
-				// action, add listener, listener list, final state
-				[ "resolve", "done", jQuery.Callbacks( "once memory" ), "resolved" ],
-				[ "reject", "fail", jQuery.Callbacks( "once memory" ), "rejected" ],
-				[ "notify", "progress", jQuery.Callbacks( "memory" ) ]
+				// action, add listener, callbacks,
+				// ... .then handlers, argument index, [final state]
+				[ "notify", "progress", jQuery.Callbacks( "memory" ),
+					jQuery.Callbacks( "memory" ), 2 ],
+				[ "resolve", "done", jQuery.Callbacks( "once memory" ),
+					jQuery.Callbacks( "once memory" ), 0, "resolved" ],
+				[ "reject", "fail", jQuery.Callbacks( "once memory" ),
+					jQuery.Callbacks( "once memory" ), 1, "rejected" ]
 			],
 			state = "pending",
 			promise = {
@@ -3400,23 +3712,33 @@ jQuery.extend( {
 					deferred.done( arguments ).fail( arguments );
 					return this;
 				},
-				then: function( /* fnDone, fnFail, fnProgress */ ) {
+				"catch": function( fn ) {
+					return promise.then( null, fn );
+				},
+
+				// Keep pipe for back-compat
+				pipe: function( /* fnDone, fnFail, fnProgress */ ) {
 					var fns = arguments;
+
 					return jQuery.Deferred( function( newDefer ) {
-						jQuery.each( tuples, function( i, tuple ) {
-							var fn = jQuery.isFunction( fns[ i ] ) && fns[ i ];
+						jQuery.each( tuples, function( _i, tuple ) {
+
+							// Map tuples (progress, done, fail) to arguments (done, fail, progress)
+							var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ];
 
-							// deferred[ done | fail | progress ] for forwarding actions to newDefer
+							// deferred.progress(function() { bind to newDefer or newDefer.notify })
+							// deferred.done(function() { bind to newDefer or newDefer.resolve })
+							// deferred.fail(function() { bind to newDefer or newDefer.reject })
 							deferred[ tuple[ 1 ] ]( function() {
 								var returned = fn && fn.apply( this, arguments );
-								if ( returned && jQuery.isFunction( returned.promise ) ) {
+								if ( returned && isFunction( returned.promise ) ) {
 									returned.promise()
 										.progress( newDefer.notify )
 										.done( newDefer.resolve )
 										.fail( newDefer.reject );
 								} else {
 									newDefer[ tuple[ 0 ] + "With" ](
-										this === promise ? newDefer.promise() : this,
+										this,
 										fn ? [ returned ] : arguments
 									);
 								}
@@ -3425,6 +3747,170 @@ jQuery.extend( {
 						fns = null;
 					} ).promise();
 				},
+				then: function( onFulfilled, onRejected, onProgress ) {
+					var maxDepth = 0;
+					function resolve( depth, deferred, handler, special ) {
+						return function() {
+							var that = this,
+								args = arguments,
+								mightThrow = function() {
+									var returned, then;
+
+									// Support: Promises/A+ section 2.3.3.3.3
+									// https://promisesaplus.com/#point-59
+									// Ignore double-resolution attempts
+									if ( depth < maxDepth ) {
+										return;
+									}
+
+									returned = handler.apply( that, args );
+
+									// Support: Promises/A+ section 2.3.1
+									// https://promisesaplus.com/#point-48
+									if ( returned === deferred.promise() ) {
+										throw new TypeError( "Thenable self-resolution" );
+									}
+
+									// Support: Promises/A+ sections 2.3.3.1, 3.5
+									// https://promisesaplus.com/#point-54
+									// https://promisesaplus.com/#point-75
+									// Retrieve `then` only once
+									then = returned &&
+
+										// Support: Promises/A+ section 2.3.4
+										// https://promisesaplus.com/#point-64
+										// Only check objects and functions for thenability
+										( typeof returned === "object" ||
+											typeof returned === "function" ) &&
+										returned.then;
+
+									// Handle a returned thenable
+									if ( isFunction( then ) ) {
+
+										// Special processors (notify) just wait for resolution
+										if ( special ) {
+											then.call(
+												returned,
+												resolve( maxDepth, deferred, Identity, special ),
+												resolve( maxDepth, deferred, Thrower, special )
+											);
+
+										// Normal processors (resolve) also hook into progress
+										} else {
+
+											// ...and disregard older resolution values
+											maxDepth++;
+
+											then.call(
+												returned,
+												resolve( maxDepth, deferred, Identity, special ),
+												resolve( maxDepth, deferred, Thrower, special ),
+												resolve( maxDepth, deferred, Identity,
+													deferred.notifyWith )
+											);
+										}
+
+									// Handle all other returned values
+									} else {
+
+										// Only substitute handlers pass on context
+										// and multiple values (non-spec behavior)
+										if ( handler !== Identity ) {
+											that = undefined;
+											args = [ returned ];
+										}
+
+										// Process the value(s)
+										// Default process is resolve
+										( special || deferred.resolveWith )( that, args );
+									}
+								},
+
+								// Only normal processors (resolve) catch and reject exceptions
+								process = special ?
+									mightThrow :
+									function() {
+										try {
+											mightThrow();
+										} catch ( e ) {
+
+											if ( jQuery.Deferred.exceptionHook ) {
+												jQuery.Deferred.exceptionHook( e,
+													process.stackTrace );
+											}
+
+											// Support: Promises/A+ section 2.3.3.3.4.1
+											// https://promisesaplus.com/#point-61
+											// Ignore post-resolution exceptions
+											if ( depth + 1 >= maxDepth ) {
+
+												// Only substitute handlers pass on context
+												// and multiple values (non-spec behavior)
+												if ( handler !== Thrower ) {
+													that = undefined;
+													args = [ e ];
+												}
+
+												deferred.rejectWith( that, args );
+											}
+										}
+									};
+
+							// Support: Promises/A+ section 2.3.3.3.1
+							// https://promisesaplus.com/#point-57
+							// Re-resolve promises immediately to dodge false rejection from
+							// subsequent errors
+							if ( depth ) {
+								process();
+							} else {
+
+								// Call an optional hook to record the stack, in case of exception
+								// since it's otherwise lost when execution goes async
+								if ( jQuery.Deferred.getStackHook ) {
+									process.stackTrace = jQuery.Deferred.getStackHook();
+								}
+								window.setTimeout( process );
+							}
+						};
+					}
+
+					return jQuery.Deferred( function( newDefer ) {
+
+						// progress_handlers.add( ... )
+						tuples[ 0 ][ 3 ].add(
+							resolve(
+								0,
+								newDefer,
+								isFunction( onProgress ) ?
+									onProgress :
+									Identity,
+								newDefer.notifyWith
+							)
+						);
+
+						// fulfilled_handlers.add( ... )
+						tuples[ 1 ][ 3 ].add(
+							resolve(
+								0,
+								newDefer,
+								isFunction( onFulfilled ) ?
+									onFulfilled :
+									Identity
+							)
+						);
+
+						// rejected_handlers.add( ... )
+						tuples[ 2 ][ 3 ].add(
+							resolve(
+								0,
+								newDefer,
+								isFunction( onRejected ) ?
+									onRejected :
+									Thrower
+							)
+						);
+					} ).promise();
+				},
 
 				// Get a promise for this deferred
 				// If obj is provided, the promise aspect is added to the object
@@ -3434,33 +3920,58 @@ jQuery.extend( {
 			},
 			deferred = {};
 
-		// Keep pipe for back-compat
-		promise.pipe = promise.then;
-
 		// Add list-specific methods
 		jQuery.each( tuples, function( i, tuple ) {
 			var list = tuple[ 2 ],
-				stateString = tuple[ 3 ];
+				stateString = tuple[ 5 ];
 
-			// promise[ done | fail | progress ] = list.add
+			// promise.progress = list.add
+			// promise.done = list.add
+			// promise.fail = list.add
 			promise[ tuple[ 1 ] ] = list.add;
 
 			// Handle state
 			if ( stateString ) {
-				list.add( function() {
+				list.add(
+					function() {
+
+						// state = "resolved" (i.e., fulfilled)
+						// state = "rejected"
+						state = stateString;
+					},
+
+					// rejected_callbacks.disable
+					// fulfilled_callbacks.disable
+					tuples[ 3 - i ][ 2 ].disable,
 
-					// state = [ resolved | rejected ]
-					state = stateString;
+					// rejected_handlers.disable
+					// fulfilled_handlers.disable
+					tuples[ 3 - i ][ 3 ].disable,
 
-				// [ reject_list | resolve_list ].disable; progress_list.lock
-				}, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock );
+					// progress_callbacks.lock
+					tuples[ 0 ][ 2 ].lock,
+
+					// progress_handlers.lock
+					tuples[ 0 ][ 3 ].lock
+				);
 			}
 
-			// deferred[ resolve | reject | notify ]
+			// progress_handlers.fire
+			// fulfilled_handlers.fire
+			// rejected_handlers.fire
+			list.add( tuple[ 3 ].fire );
+
+			// deferred.notify = function() { deferred.notifyWith(...) }
+			// deferred.resolve = function() { deferred.resolveWith(...) }
+			// deferred.reject = function() { deferred.rejectWith(...) }
 			deferred[ tuple[ 0 ] ] = function() {
-				deferred[ tuple[ 0 ] + "With" ]( this === deferred ? promise : this, arguments );
+				deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments );
 				return this;
 			};
+
+			// deferred.notifyWith = list.fireWith
+			// deferred.resolveWith = list.fireWith
+			// deferred.rejectWith = list.fireWith
 			deferred[ tuple[ 0 ] + "With" ] = list.fireWith;
 		} );
 
@@ -3477,69 +3988,95 @@ jQuery.extend( {
 	},
 
 	// Deferred helper
-	when: function( subordinate /* , ..., subordinateN */ ) {
-		var i = 0,
-			resolveValues = slice.call( arguments ),
-			length = resolveValues.length,
+	when: function( singleValue ) {
+		var
 
-			// the count of uncompleted subordinates
-			remaining = length !== 1 ||
-				( subordinate && jQuery.isFunction( subordinate.promise ) ) ? length : 0,
+			// count of uncompleted subordinates
+			remaining = arguments.length,
 
-			// the master Deferred.
-			// If resolveValues consist of only a single Deferred, just use that.
-			deferred = remaining === 1 ? subordinate : jQuery.Deferred(),
+			// count of unprocessed arguments
+			i = remaining,
 
-			// Update function for both resolve and progress values
-			updateFunc = function( i, contexts, values ) {
-				return function( value ) {
-					contexts[ i ] = this;
-					values[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
-					if ( values === progressValues ) {
-						deferred.notifyWith( contexts, values );
+			// subordinate fulfillment data
+			resolveContexts = Array( i ),
+			resolveValues = slice.call( arguments ),
+
+			// the primary Deferred
+			primary = jQuery.Deferred(),
 
-					} else if ( !( --remaining ) ) {
-						deferred.resolveWith( contexts, values );
+			// subordinate callback factory
+			updateFunc = function( i ) {
+				return function( value ) {
+					resolveContexts[ i ] = this;
+					resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
+					if ( !( --remaining ) ) {
+						primary.resolveWith( resolveContexts, resolveValues );
 					}
 				};
-			},
+			};
 
-			progressValues, progressContexts, resolveContexts;
+		// Single- and empty arguments are adopted like Promise.resolve
+		if ( remaining <= 1 ) {
+			adoptValue( singleValue, primary.done( updateFunc( i ) ).resolve, primary.reject,
+				!remaining );
 
-		// add listeners to Deferred subordinates; treat others as resolved
-		if ( length > 1 ) {
-			progressValues = new Array( length );
-			progressContexts = new Array( length );
-			resolveContexts = new Array( length );
-			for ( ; i < length; i++ ) {
-				if ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) {
-					resolveValues[ i ].promise()
-						.progress( updateFunc( i, progressContexts, progressValues ) )
-						.done( updateFunc( i, resolveContexts, resolveValues ) )
-						.fail( deferred.reject );
-				} else {
-					--remaining;
-				}
+			// Use .then() to unwrap secondary thenables (cf. gh-3000)
+			if ( primary.state() === "pending" ||
+				isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) {
+
+				return primary.then();
 			}
 		}
 
-		// if we're not waiting on anything, resolve the master
-		if ( !remaining ) {
-			deferred.resolveWith( resolveContexts, resolveValues );
+		// Multiple arguments are aggregated like Promise.all array elements
+		while ( i-- ) {
+			adoptValue( resolveValues[ i ], updateFunc( i ), primary.reject );
 		}
 
-		return deferred.promise();
+		return primary.promise();
 	}
 } );
 
 
+// These usually indicate a programmer mistake during development,
+// warn about them ASAP rather than swallowing them by default.
+var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;
+
+jQuery.Deferred.exceptionHook = function( error, stack ) {
+
+	// Support: IE 8 - 9 only
+	// Console exists when dev tools are open, which can happen at any time
+	if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) {
+		window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack );
+	}
+};
+
+
+
+
+jQuery.readyException = function( error ) {
+	window.setTimeout( function() {
+		throw error;
+	} );
+};
+
+
+
+
 // The deferred used on DOM ready
-var readyList;
+var readyList = jQuery.Deferred();
 
 jQuery.fn.ready = function( fn ) {
 
-	// Add the callback
-	jQuery.ready.promise().done( fn );
+	readyList
+		.then( fn )
+
+		// Wrap jQuery.readyException in a function so that the lookup
+		// happens at the time of error handling instead of callback
+		// registration.
+		.catch( function( error ) {
+			jQuery.readyException( error );
+		} );
 
 	return this;
 };
@@ -3553,15 +4090,6 @@ jQuery.extend( {
 	// the ready event fires. See #6781
 	readyWait: 1,
 
-	// Hold (or release) the ready event
-	holdReady: function( hold ) {
-		if ( hold ) {
-			jQuery.readyWait++;
-		} else {
-			jQuery.ready( true );
-		}
-	},
-
 	// Handle when the DOM is ready
 	ready: function( wait ) {
 
@@ -3580,468 +4108,369 @@ jQuery.extend( {
 
 		// If there are functions bound, to execute
 		readyList.resolveWith( document, [ jQuery ] );
-
-		// Trigger any bound ready events
-		if ( jQuery.fn.triggerHandler ) {
-			jQuery( document ).triggerHandler( "ready" );
-			jQuery( document ).off( "ready" );
-		}
 	}
 } );
 
-/**
- * Clean-up method for dom ready events
- */
-function detach() {
-	if ( document.addEventListener ) {
-		document.removeEventListener( "DOMContentLoaded", completed );
-		window.removeEventListener( "load", completed );
+jQuery.ready.then = readyList.then;
 
-	} else {
-		document.detachEvent( "onreadystatechange", completed );
-		window.detachEvent( "onload", completed );
-	}
-}
-
-/**
- * The ready event handler and self cleanup method
- */
+// The ready event handler and self cleanup method
 function completed() {
-
-	// readyState === "complete" is good enough for us to call the dom ready in oldIE
-	if ( document.addEventListener ||
-		window.event.type === "load" ||
-		document.readyState === "complete" ) {
-
-		detach();
-		jQuery.ready();
-	}
+	document.removeEventListener( "DOMContentLoaded", completed );
+	window.removeEventListener( "load", completed );
+	jQuery.ready();
 }
 
-jQuery.ready.promise = function( obj ) {
-	if ( !readyList ) {
-
-		readyList = jQuery.Deferred();
+// Catch cases where $(document).ready() is called
+// after the browser event has already occurred.
+// Support: IE <=9 - 10 only
+// Older IE sometimes signals "interactive" too soon
+if ( document.readyState === "complete" ||
+	( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
 
-		// Catch cases where $(document).ready() is called
-		// after the browser event has already occurred.
-		// Support: IE6-10
-		// Older IE sometimes signals "interactive" too soon
-		if ( document.readyState === "complete" ||
-			( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
+	// Handle it asynchronously to allow scripts the opportunity to delay ready
+	window.setTimeout( jQuery.ready );
 
-			// Handle it asynchronously to allow scripts the opportunity to delay ready
-			window.setTimeout( jQuery.ready );
+} else {
 
-		// Standards-based browsers support DOMContentLoaded
-		} else if ( document.addEventListener ) {
+	// Use the handy event callback
+	document.addEventListener( "DOMContentLoaded", completed );
 
-			// Use the handy event callback
-			document.addEventListener( "DOMContentLoaded", completed );
+	// A fallback to window.onload, that will always work
+	window.addEventListener( "load", completed );
+}
 
-			// A fallback to window.onload, that will always work
-			window.addEventListener( "load", completed );
 
-		// If IE event model is used
-		} else {
 
-			// Ensure firing before onload, maybe late but safe also for iframes
-			document.attachEvent( "onreadystatechange", completed );
 
-			// A fallback to window.onload, that will always work
-			window.attachEvent( "onload", completed );
+// Multifunctional method to get and set values of a collection
+// The value/s can optionally be executed if it's a function
+var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
+	var i = 0,
+		len = elems.length,
+		bulk = key == null;
 
-			// If IE and not a frame
-			// continually check to see if the document is ready
-			var top = false;
+	// Sets many values
+	if ( toType( key ) === "object" ) {
+		chainable = true;
+		for ( i in key ) {
+			access( elems, fn, i, key[ i ], true, emptyGet, raw );
+		}
 
-			try {
-				top = window.frameElement == null && document.documentElement;
-			} catch ( e ) {}
+	// Sets one value
+	} else if ( value !== undefined ) {
+		chainable = true;
 
-			if ( top && top.doScroll ) {
-				( function doScrollCheck() {
-					if ( !jQuery.isReady ) {
+		if ( !isFunction( value ) ) {
+			raw = true;
+		}
 
-						try {
+		if ( bulk ) {
 
-							// Use the trick by Diego Perini
-							// http://javascript.nwbox.com/IEContentLoaded/
-							top.doScroll( "left" );
-						} catch ( e ) {
-							return window.setTimeout( doScrollCheck, 50 );
-						}
+			// Bulk operations run against the entire set
+			if ( raw ) {
+				fn.call( elems, value );
+				fn = null;
 
-						// detach all dom ready events
-						detach();
+			// ...except when executing function values
+			} else {
+				bulk = fn;
+				fn = function( elem, _key, value ) {
+					return bulk.call( jQuery( elem ), value );
+				};
+			}
+		}
 
-						// and execute any waiting functions
-						jQuery.ready();
-					}
-				} )();
+		if ( fn ) {
+			for ( ; i < len; i++ ) {
+				fn(
+					elems[ i ], key, raw ?
+						value :
+						value.call( elems[ i ], i, fn( elems[ i ], key ) )
+				);
 			}
 		}
 	}
-	return readyList.promise( obj );
-};
-
-// Kick off the DOM ready check even if the user does not
-jQuery.ready.promise();
-
-
 
-
-// Support: IE<9
-// Iteration over object's inherited properties before its own
-var i;
-for ( i in jQuery( support ) ) {
-	break;
-}
-support.ownFirst = i === "0";
-
-// Note: most support tests are defined in their respective modules.
-// false until the test is run
-support.inlineBlockNeedsLayout = false;
-
-// Execute ASAP in case we need to set body.style.zoom
-jQuery( function() {
-
-	// Minified: var a,b,c,d
-	var val, div, body, container;
-
-	body = document.getElementsByTagName( "body" )[ 0 ];
-	if ( !body || !body.style ) {
-
-		// Return for frameset docs that don't have a body
-		return;
+	if ( chainable ) {
+		return elems;
 	}
 
-	// Setup
-	div = document.createElement( "div" );
-	container = document.createElement( "div" );
-	container.style.cssText = "position:absolute;border:0;width:0;height:0;top:0;left:-9999px";
-	body.appendChild( container ).appendChild( div );
+	// Gets
+	if ( bulk ) {
+		return fn.call( elems );
+	}
 
-	if ( typeof div.style.zoom !== "undefined" ) {
+	return len ? fn( elems[ 0 ], key ) : emptyGet;
+};
 
-		// Support: IE<8
-		// Check if natively block-level elements act like inline-block
-		// elements when setting their display to 'inline' and giving
-		// them layout
-		div.style.cssText = "display:inline;margin:0;border:0;padding:1px;width:1px;zoom:1";
 
-		support.inlineBlockNeedsLayout = val = div.offsetWidth === 3;
-		if ( val ) {
+// Matches dashed string for camelizing
+var rmsPrefix = /^-ms-/,
+	rdashAlpha = /-([a-z])/g;
 
-			// Prevent IE 6 from affecting layout for positioned elements #11048
-			// Prevent IE from shrinking the body in IE 7 mode #12869
-			// Support: IE<8
-			body.style.zoom = 1;
-		}
-	}
+// Used by camelCase as callback to replace()
+function fcamelCase( _all, letter ) {
+	return letter.toUpperCase();
+}
 
-	body.removeChild( container );
-} );
+// Convert dashed to camelCase; used by the css and data modules
+// Support: IE <=9 - 11, Edge 12 - 15
+// Microsoft forgot to hump their vendor prefix (#9572)
+function camelCase( string ) {
+	return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
+}
+var acceptData = function( owner ) {
+
+	// Accepts only:
+	//  - Node
+	//    - Node.ELEMENT_NODE
+	//    - Node.DOCUMENT_NODE
+	//  - Object
+	//    - Any
+	return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
+};
 
 
-( function() {
-	var div = document.createElement( "div" );
 
-	// Support: IE<9
-	support.deleteExpando = true;
-	try {
-		delete div.test;
-	} catch ( e ) {
-		support.deleteExpando = false;
-	}
 
-	// Null elements to avoid leaks in IE.
-	div = null;
-} )();
-var acceptData = function( elem ) {
-	var noData = jQuery.noData[ ( elem.nodeName + " " ).toLowerCase() ],
-		nodeType = +elem.nodeType || 1;
+function Data() {
+	this.expando = jQuery.expando + Data.uid++;
+}
 
-	// Do not set data on non-element DOM nodes because it will not be cleared (#8335).
-	return nodeType !== 1 && nodeType !== 9 ?
-		false :
+Data.uid = 1;
 
-		// Nodes accept data unless otherwise specified; rejection can be conditional
-		!noData || noData !== true && elem.getAttribute( "classid" ) === noData;
-};
+Data.prototype = {
 
+	cache: function( owner ) {
 
+		// Check if the owner object already has a cache
+		var value = owner[ this.expando ];
 
+		// If not, create one
+		if ( !value ) {
+			value = {};
 
-var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
-	rmultiDash = /([A-Z])/g;
+			// We can accept data for non-element nodes in modern browsers,
+			// but we should not, see #8335.
+			// Always return an empty object.
+			if ( acceptData( owner ) ) {
 
-function dataAttr( elem, key, data ) {
+				// If it is a node unlikely to be stringify-ed or looped over
+				// use plain assignment
+				if ( owner.nodeType ) {
+					owner[ this.expando ] = value;
 
-	// If nothing was found internally, try to fetch any
-	// data from the HTML5 data-* attribute
-	if ( data === undefined && elem.nodeType === 1 ) {
-
-		var name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase();
+				// Otherwise secure it in a non-enumerable property
+				// configurable must be true to allow the property to be
+				// deleted when data is removed
+				} else {
+					Object.defineProperty( owner, this.expando, {
+						value: value,
+						configurable: true
+					} );
+				}
+			}
+		}
 
-		data = elem.getAttribute( name );
+		return value;
+	},
+	set: function( owner, data, value ) {
+		var prop,
+			cache = this.cache( owner );
 
+		// Handle: [ owner, key, value ] args
+		// Always use camelCase key (gh-2257)
 		if ( typeof data === "string" ) {
-			try {
-				data = data === "true" ? true :
-					data === "false" ? false :
-					data === "null" ? null :
-
-					// Only convert to a number if it doesn't change the string
-					+data + "" === data ? +data :
-					rbrace.test( data ) ? jQuery.parseJSON( data ) :
-					data;
-			} catch ( e ) {}
-
-			// Make sure we set the data so it isn't changed later
-			jQuery.data( elem, key, data );
+			cache[ camelCase( data ) ] = value;
 
+		// Handle: [ owner, { properties } ] args
 		} else {
-			data = undefined;
+
+			// Copy the properties one-by-one to the cache object
+			for ( prop in data ) {
+				cache[ camelCase( prop ) ] = data[ prop ];
+			}
 		}
-	}
+		return cache;
+	},
+	get: function( owner, key ) {
+		return key === undefined ?
+			this.cache( owner ) :
 
-	return data;
-}
+			// Always use camelCase key (gh-2257)
+			owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ];
+	},
+	access: function( owner, key, value ) {
 
-// checks a cache object for emptiness
-function isEmptyDataObject( obj ) {
-	var name;
-	for ( name in obj ) {
+		// In cases where either:
+		//
+		//   1. No key was specified
+		//   2. A string key was specified, but no value provided
+		//
+		// Take the "read" path and allow the get method to determine
+		// which value to return, respectively either:
+		//
+		//   1. The entire cache object
+		//   2. The data stored at the key
+		//
+		if ( key === undefined ||
+				( ( key && typeof key === "string" ) && value === undefined ) ) {
 
-		// if the public data object is empty, the private is still empty
-		if ( name === "data" && jQuery.isEmptyObject( obj[ name ] ) ) {
-			continue;
+			return this.get( owner, key );
 		}
-		if ( name !== "toJSON" ) {
-			return false;
-		}
-	}
 
-	return true;
-}
+		// When the key is not a string, or both a key and value
+		// are specified, set or extend (existing objects) with either:
+		//
+		//   1. An object of properties
+		//   2. A key and value
+		//
+		this.set( owner, key, value );
 
-function internalData( elem, name, data, pvt /* Internal Use Only */ ) {
-	if ( !acceptData( elem ) ) {
-		return;
-	}
+		// Since the "set" path can have two possible entry points
+		// return the expected data based on which path was taken[*]
+		return value !== undefined ? value : key;
+	},
+	remove: function( owner, key ) {
+		var i,
+			cache = owner[ this.expando ];
 
-	var ret, thisCache,
-		internalKey = jQuery.expando,
+		if ( cache === undefined ) {
+			return;
+		}
 
-		// We have to handle DOM nodes and JS objects differently because IE6-7
-		// can't GC object references properly across the DOM-JS boundary
-		isNode = elem.nodeType,
+		if ( key !== undefined ) {
 
-		// Only DOM nodes need the global jQuery cache; JS object data is
-		// attached directly to the object so GC can occur automatically
-		cache = isNode ? jQuery.cache : elem,
+			// Support array or space separated string of keys
+			if ( Array.isArray( key ) ) {
 
-		// Only defining an ID for JS objects if its cache already exists allows
-		// the code to shortcut on the same path as a DOM node with no cache
-		id = isNode ? elem[ internalKey ] : elem[ internalKey ] && internalKey;
+				// If key is an array of keys...
+				// We always set camelCase keys, so remove that.
+				key = key.map( camelCase );
+			} else {
+				key = camelCase( key );
 
-	// Avoid doing any more work than we need to when trying to get data on an
-	// object that has no data at all
-	if ( ( !id || !cache[ id ] || ( !pvt && !cache[ id ].data ) ) &&
-		data === undefined && typeof name === "string" ) {
-		return;
-	}
+				// If a key with the spaces exists, use it.
+				// Otherwise, create an array by matching non-whitespace
+				key = key in cache ?
+					[ key ] :
+					( key.match( rnothtmlwhite ) || [] );
+			}
 
-	if ( !id ) {
+			i = key.length;
 
-		// Only DOM nodes need a new unique ID for each element since their data
-		// ends up in the global cache
-		if ( isNode ) {
-			id = elem[ internalKey ] = deletedIds.pop() || jQuery.guid++;
-		} else {
-			id = internalKey;
+			while ( i-- ) {
+				delete cache[ key[ i ] ];
+			}
 		}
-	}
 
-	if ( !cache[ id ] ) {
+		// Remove the expando if there's no more data
+		if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
 
-		// Avoid exposing jQuery metadata on plain JS objects when the object
-		// is serialized using JSON.stringify
-		cache[ id ] = isNode ? {} : { toJSON: jQuery.noop };
-	}
-
-	// An object can be passed to jQuery.data instead of a key/value pair; this gets
-	// shallow copied over onto the existing cache
-	if ( typeof name === "object" || typeof name === "function" ) {
-		if ( pvt ) {
-			cache[ id ] = jQuery.extend( cache[ id ], name );
-		} else {
-			cache[ id ].data = jQuery.extend( cache[ id ].data, name );
+			// Support: Chrome <=35 - 45
+			// Webkit & Blink performance suffers when deleting properties
+			// from DOM nodes, so set to undefined instead
+			// https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted)
+			if ( owner.nodeType ) {
+				owner[ this.expando ] = undefined;
+			} else {
+				delete owner[ this.expando ];
+			}
 		}
+	},
+	hasData: function( owner ) {
+		var cache = owner[ this.expando ];
+		return cache !== undefined && !jQuery.isEmptyObject( cache );
 	}
+};
+var dataPriv = new Data();
 
-	thisCache = cache[ id ];
-
-	// jQuery data() is stored in a separate object inside the object's internal data
-	// cache in order to avoid key collisions between internal data and user-defined
-	// data.
-	if ( !pvt ) {
-		if ( !thisCache.data ) {
-			thisCache.data = {};
-		}
-
-		thisCache = thisCache.data;
-	}
+var dataUser = new Data();
 
-	if ( data !== undefined ) {
-		thisCache[ jQuery.camelCase( name ) ] = data;
-	}
 
-	// Check for both converted-to-camel and non-converted data property names
-	// If a data property was specified
-	if ( typeof name === "string" ) {
 
-		// First Try to find as-is property data
-		ret = thisCache[ name ];
+//	Implementation Summary
+//
+//	1. Enforce API surface and semantic compatibility with 1.9.x branch
+//	2. Improve the module's maintainability by reducing the storage
+//		paths to a single mechanism.
+//	3. Use the same single mechanism to support "private" and "user" data.
+//	4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
+//	5. Avoid exposing implementation details on user objects (eg. expando properties)
+//	6. Provide a clear path for implementation upgrade to WeakMap in 2014
 
-		// Test for null|undefined property data
-		if ( ret == null ) {
+var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
+	rmultiDash = /[A-Z]/g;
 
-			// Try to find the camelCased property
-			ret = thisCache[ jQuery.camelCase( name ) ];
-		}
-	} else {
-		ret = thisCache;
+function getData( data ) {
+	if ( data === "true" ) {
+		return true;
 	}
 
-	return ret;
-}
-
-function internalRemoveData( elem, name, pvt ) {
-	if ( !acceptData( elem ) ) {
-		return;
+	if ( data === "false" ) {
+		return false;
 	}
 
-	var thisCache, i,
-		isNode = elem.nodeType,
-
-		// See jQuery.data for more information
-		cache = isNode ? jQuery.cache : elem,
-		id = isNode ? elem[ jQuery.expando ] : jQuery.expando;
-
-	// If there is already no cache entry for this object, there is no
-	// purpose in continuing
-	if ( !cache[ id ] ) {
-		return;
+	if ( data === "null" ) {
+		return null;
 	}
 
-	if ( name ) {
-
-		thisCache = pvt ? cache[ id ] : cache[ id ].data;
-
-		if ( thisCache ) {
-
-			// Support array or space separated string names for data keys
-			if ( !jQuery.isArray( name ) ) {
-
-				// try the string as a key before any manipulation
-				if ( name in thisCache ) {
-					name = [ name ];
-				} else {
-
-					// split the camel cased version by spaces unless a key with the spaces exists
-					name = jQuery.camelCase( name );
-					if ( name in thisCache ) {
-						name = [ name ];
-					} else {
-						name = name.split( " " );
-					}
-				}
-			} else {
-
-				// If "name" is an array of keys...
-				// When data is initially created, via ("key", "val") signature,
-				// keys will be converted to camelCase.
-				// Since there is no way to tell _how_ a key was added, remove
-				// both plain key and camelCase key. #12786
-				// This will only penalize the array argument path.
-				name = name.concat( jQuery.map( name, jQuery.camelCase ) );
-			}
-
-			i = name.length;
-			while ( i-- ) {
-				delete thisCache[ name[ i ] ];
-			}
+	// Only convert to a number if it doesn't change the string
+	if ( data === +data + "" ) {
+		return +data;
+	}
 
-			// If there is no data left in the cache, we want to continue
-			// and let the cache object itself get destroyed
-			if ( pvt ? !isEmptyDataObject( thisCache ) : !jQuery.isEmptyObject( thisCache ) ) {
-				return;
-			}
-		}
+	if ( rbrace.test( data ) ) {
+		return JSON.parse( data );
 	}
 
-	// See jQuery.data for more information
-	if ( !pvt ) {
-		delete cache[ id ].data;
+	return data;
+}
 
-		// Don't destroy the parent cache unless the internal data object
-		// had been the only thing left in it
-		if ( !isEmptyDataObject( cache[ id ] ) ) {
-			return;
-		}
-	}
+function dataAttr( elem, key, data ) {
+	var name;
 
-	// Destroy the cache
-	if ( isNode ) {
-		jQuery.cleanData( [ elem ], true );
+	// If nothing was found internally, try to fetch any
+	// data from the HTML5 data-* attribute
+	if ( data === undefined && elem.nodeType === 1 ) {
+		name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase();
+		data = elem.getAttribute( name );
 
-	// Use delete when supported for expandos or `cache` is not a window per isWindow (#10080)
-	/* jshint eqeqeq: false */
-	} else if ( support.deleteExpando || cache != cache.window ) {
-		/* jshint eqeqeq: true */
-		delete cache[ id ];
+		if ( typeof data === "string" ) {
+			try {
+				data = getData( data );
+			} catch ( e ) {}
 
-	// When all else fails, undefined
-	} else {
-		cache[ id ] = undefined;
+			// Make sure we set the data so it isn't changed later
+			dataUser.set( elem, key, data );
+		} else {
+			data = undefined;
+		}
 	}
+	return data;
 }
 
 jQuery.extend( {
-	cache: {},
-
-	// The following elements (space-suffixed to avoid Object.prototype collisions)
-	// throw uncatchable exceptions if you attempt to set expando properties
-	noData: {
-		"applet ": true,
-		"embed ": true,
-
-		// ...but Flash objects (which have this classid) *can* handle expandos
-		"object ": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
-	},
-
 	hasData: function( elem ) {
-		elem = elem.nodeType ? jQuery.cache[ elem[ jQuery.expando ] ] : elem[ jQuery.expando ];
-		return !!elem && !isEmptyDataObject( elem );
+		return dataUser.hasData( elem ) || dataPriv.hasData( elem );
 	},
 
 	data: function( elem, name, data ) {
-		return internalData( elem, name, data );
+		return dataUser.access( elem, name, data );
 	},
 
 	removeData: function( elem, name ) {
-		return internalRemoveData( elem, name );
+		dataUser.remove( elem, name );
 	},
 
-	// For internal use only.
+	// TODO: Now that all calls to _data and _removeData have been replaced
+	// with direct calls to dataPriv methods, these can be deprecated.
 	_data: function( elem, name, data ) {
-		return internalData( elem, name, data, true );
+		return dataPriv.access( elem, name, data );
 	},
 
 	_removeData: function( elem, name ) {
-		return internalRemoveData( elem, name, true );
+		dataPriv.remove( elem, name );
 	}
 } );
 
@@ -4051,29 +4480,26 @@ jQuery.fn.extend( {
 			elem = this[ 0 ],
 			attrs = elem && elem.attributes;
 
-		// Special expections of .data basically thwart jQuery.access,
-		// so implement the relevant behavior ourselves
-
 		// Gets all values
 		if ( key === undefined ) {
 			if ( this.length ) {
-				data = jQuery.data( elem );
+				data = dataUser.get( elem );
 
-				if ( elem.nodeType === 1 && !jQuery._data( elem, "parsedAttrs" ) ) {
+				if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) {
 					i = attrs.length;
 					while ( i-- ) {
 
-						// Support: IE11+
+						// Support: IE 11 only
 						// The attrs elements can be null (#14894)
 						if ( attrs[ i ] ) {
 							name = attrs[ i ].name;
 							if ( name.indexOf( "data-" ) === 0 ) {
-								name = jQuery.camelCase( name.slice( 5 ) );
+								name = camelCase( name.slice( 5 ) );
 								dataAttr( elem, name, data[ name ] );
 							}
 						}
 					}
-					jQuery._data( elem, "parsedAttrs", true );
+					dataPriv.set( elem, "hasDataAttrs", true );
 				}
 			}
 
@@ -4083,25 +4509,50 @@ jQuery.fn.extend( {
 		// Sets multiple values
 		if ( typeof key === "object" ) {
 			return this.each( function() {
-				jQuery.data( this, key );
+				dataUser.set( this, key );
 			} );
 		}
 
-		return arguments.length > 1 ?
+		return access( this, function( value ) {
+			var data;
+
+			// The calling jQuery object (element matches) is not empty
+			// (and therefore has an element appears at this[ 0 ]) and the
+			// `value` parameter was not undefined. An empty jQuery object
+			// will result in `undefined` for elem = this[ 0 ] which will
+			// throw an exception if an attempt to read a data cache is made.
+			if ( elem && value === undefined ) {
+
+				// Attempt to get data from the cache
+				// The key will always be camelCased in Data
+				data = dataUser.get( elem, key );
+				if ( data !== undefined ) {
+					return data;
+				}
 
-			// Sets one value
+				// Attempt to "discover" the data in
+				// HTML5 custom data-* attrs
+				data = dataAttr( elem, key );
+				if ( data !== undefined ) {
+					return data;
+				}
+
+				// We tried really hard, but the data doesn't exist.
+				return;
+			}
+
+			// Set the data...
 			this.each( function() {
-				jQuery.data( this, key, value );
-			} ) :
 
-			// Gets one value
-			// Try to fetch any internally stored data first
-			elem ? dataAttr( elem, key, jQuery.data( elem, key ) ) : undefined;
+				// We always store the camelCased key
+				dataUser.set( this, key, value );
+			} );
+		}, null, value, arguments.length > 1, null, true );
 	},
 
 	removeData: function( key ) {
 		return this.each( function() {
-			jQuery.removeData( this, key );
+			dataUser.remove( this, key );
 		} );
 	}
 } );
@@ -4113,12 +4564,12 @@ jQuery.extend( {
 
 		if ( elem ) {
 			type = ( type || "fx" ) + "queue";
-			queue = jQuery._data( elem, type );
+			queue = dataPriv.get( elem, type );
 
 			// Speed up dequeue by getting out quickly if this is just a lookup
 			if ( data ) {
-				if ( !queue || jQuery.isArray( data ) ) {
-					queue = jQuery._data( elem, type, jQuery.makeArray( data ) );
+				if ( !queue || Array.isArray( data ) ) {
+					queue = dataPriv.access( elem, type, jQuery.makeArray( data ) );
 				} else {
 					queue.push( data );
 				}
@@ -4152,7 +4603,7 @@ jQuery.extend( {
 				queue.unshift( "inprogress" );
 			}
 
-			// clear up the last queue stop function
+			// Clear up the last queue stop function
 			delete hooks.stop;
 			fn.call( elem, next, hooks );
 		}
@@ -4162,14 +4613,12 @@ jQuery.extend( {
 		}
 	},
 
-	// not intended for public consumption - generates a queueHooks object,
-	// or returns the current one
+	// Not public - generate a queueHooks object, or return the current one
 	_queueHooks: function( elem, type ) {
 		var key = type + "queueHooks";
-		return jQuery._data( elem, key ) || jQuery._data( elem, key, {
+		return dataPriv.get( elem, key ) || dataPriv.access( elem, key, {
 			empty: jQuery.Callbacks( "once memory" ).add( function() {
-				jQuery._removeData( elem, type + "queue" );
-				jQuery._removeData( elem, key );
+				dataPriv.remove( elem, [ type + "queue", key ] );
 			} )
 		} );
 	}
@@ -4194,7 +4643,7 @@ jQuery.fn.extend( {
 			this.each( function() {
 				var queue = jQuery.queue( this, type, data );
 
-				// ensure a hooks for this queue
+				// Ensure a hooks for this queue
 				jQuery._queueHooks( this, type );
 
 				if ( type === "fx" && queue[ 0 ] !== "inprogress" ) {
@@ -4232,7 +4681,7 @@ jQuery.fn.extend( {
 		type = type || "fx";
 
 		while ( i-- ) {
-			tmp = jQuery._data( elements[ i ], type + "queueHooks" );
+			tmp = dataPriv.get( elements[ i ], type + "queueHooks" );
 			if ( tmp && tmp.empty ) {
 				count++;
 				tmp.empty.add( resolve );
@@ -4242,115 +4691,101 @@ jQuery.fn.extend( {
 		return defer.promise( obj );
 	}
 } );
+var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
 
+var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
 
-( function() {
-	var shrinkWrapBlocksVal;
-
-	support.shrinkWrapBlocks = function() {
-		if ( shrinkWrapBlocksVal != null ) {
-			return shrinkWrapBlocksVal;
-		}
-
-		// Will be changed later if needed.
-		shrinkWrapBlocksVal = false;
-
-		// Minified: var b,c,d
-		var div, body, container;
-
-		body = document.getElementsByTagName( "body" )[ 0 ];
-		if ( !body || !body.style ) {
-
-			// Test fired too early or in an unsupported environment, exit.
-			return;
-		}
-
-		// Setup
-		div = document.createElement( "div" );
-		container = document.createElement( "div" );
-		container.style.cssText = "position:absolute;border:0;width:0;height:0;top:0;left:-9999px";
-		body.appendChild( container ).appendChild( div );
-
-		// Support: IE6
-		// Check if elements with layout shrink-wrap their children
-		if ( typeof div.style.zoom !== "undefined" ) {
-
-			// Reset CSS: box-sizing; display; margin; border
-			div.style.cssText =
 
-				// Support: Firefox<29, Android 2.3
-				// Vendor-prefix box-sizing
-				"-webkit-box-sizing:content-box;-moz-box-sizing:content-box;" +
-				"box-sizing:content-box;display:block;margin:0;border:0;" +
-				"padding:1px;width:1px;zoom:1";
-			div.appendChild( document.createElement( "div" ) ).style.width = "5px";
-			shrinkWrapBlocksVal = div.offsetWidth !== 3;
-		}
+var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
 
-		body.removeChild( container );
+var documentElement = document.documentElement;
 
-		return shrinkWrapBlocksVal;
-	};
 
-} )();
-var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
 
-var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
+	var isAttached = function( elem ) {
+			return jQuery.contains( elem.ownerDocument, elem );
+		},
+		composed = { composed: true };
+
+	// Support: IE 9 - 11+, Edge 12 - 18+, iOS 10.0 - 10.2 only
+	// Check attachment across shadow DOM boundaries when possible (gh-3504)
+	// Support: iOS 10.0-10.2 only
+	// Early iOS 10 versions support `attachShadow` but not `getRootNode`,
+	// leading to errors. We need to check for `getRootNode`.
+	if ( documentElement.getRootNode ) {
+		isAttached = function( elem ) {
+			return jQuery.contains( elem.ownerDocument, elem ) ||
+				elem.getRootNode( composed ) === elem.ownerDocument;
+		};
+	}
+var isHiddenWithinTree = function( elem, el ) {
 
+		// isHiddenWithinTree might be called from jQuery#filter function;
+		// in that case, element will be second argument
+		elem = el || elem;
 
-var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
+		// Inline style trumps all
+		return elem.style.display === "none" ||
+			elem.style.display === "" &&
 
-var isHidden = function( elem, el ) {
+			// Otherwise, check computed style
+			// Support: Firefox <=43 - 45
+			// Disconnected elements can have computed display: none, so first confirm that elem is
+			// in the document.
+			isAttached( elem ) &&
 
-		// isHidden might be called from jQuery#filter function;
-		// in that case, element will be second argument
-		elem = el || elem;
-		return jQuery.css( elem, "display" ) === "none" ||
-			!jQuery.contains( elem.ownerDocument, elem );
+			jQuery.css( elem, "display" ) === "none";
 	};
 
 
 
 function adjustCSS( elem, prop, valueParts, tween ) {
-	var adjusted,
-		scale = 1,
+	var adjusted, scale,
 		maxIterations = 20,
 		currentValue = tween ?
-			function() { return tween.cur(); } :
-			function() { return jQuery.css( elem, prop, "" ); },
+			function() {
+				return tween.cur();
+			} :
+			function() {
+				return jQuery.css( elem, prop, "" );
+			},
 		initial = currentValue(),
 		unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
 
 		// Starting value computation is required for potential unit mismatches
-		initialInUnit = ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) &&
+		initialInUnit = elem.nodeType &&
+			( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) &&
 			rcssNum.exec( jQuery.css( elem, prop ) );
 
 	if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {
 
+		// Support: Firefox <=54
+		// Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144)
+		initial = initial / 2;
+
 		// Trust units reported by jQuery.css
 		unit = unit || initialInUnit[ 3 ];
 
-		// Make sure we update the tween properties later on
-		valueParts = valueParts || [];
-
 		// Iteratively approximate from a nonzero starting point
 		initialInUnit = +initial || 1;
 
-		do {
+		while ( maxIterations-- ) {
 
-			// If previous iteration zeroed out, double until we get *something*.
-			// Use string for doubling so we don't accidentally see scale as unchanged below
-			scale = scale || ".5";
-
-			// Adjust and apply
-			initialInUnit = initialInUnit / scale;
+			// Evaluate and update our best guess (doubling guesses that zero out).
+			// Finish if the scale equals or crosses 1 (making the old*new product non-positive).
 			jQuery.style( elem, prop, initialInUnit + unit );
+			if ( ( 1 - scale ) * ( 1 - ( scale = currentValue() / initial || 0.5 ) ) <= 0 ) {
+				maxIterations = 0;
+			}
+			initialInUnit = initialInUnit / scale;
 
-		// Update scale, tolerating zero or NaN from tween.cur()
-		// Break the loop if scale is unchanged or perfect, or if we've just had enough.
-		} while (
-			scale !== ( scale = currentValue() / initial ) && scale !== 1 && --maxIterations
-		);
+		}
+
+		initialInUnit = initialInUnit * 2;
+		jQuery.style( elem, prop, initialInUnit + unit );
+
+		// Make sure we update the tween properties later on
+		valueParts = valueParts || [];
 	}
 
 	if ( valueParts ) {
@@ -4370,242 +4805,210 @@ function adjustCSS( elem, prop, valueParts, tween ) {
 }
 
 
-// Multifunctional method to get and set values of a collection
-// The value/s can optionally be executed if it's a function
-var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
-	var i = 0,
-		length = elems.length,
-		bulk = key == null;
-
-	// Sets many values
-	if ( jQuery.type( key ) === "object" ) {
-		chainable = true;
-		for ( i in key ) {
-			access( elems, fn, i, key[ i ], true, emptyGet, raw );
-		}
+var defaultDisplayMap = {};
 
-	// Sets one value
-	} else if ( value !== undefined ) {
-		chainable = true;
+function getDefaultDisplay( elem ) {
+	var temp,
+		doc = elem.ownerDocument,
+		nodeName = elem.nodeName,
+		display = defaultDisplayMap[ nodeName ];
 
-		if ( !jQuery.isFunction( value ) ) {
-			raw = true;
-		}
-
-		if ( bulk ) {
-
-			// Bulk operations run against the entire set
-			if ( raw ) {
-				fn.call( elems, value );
-				fn = null;
-
-			// ...except when executing function values
-			} else {
-				bulk = fn;
-				fn = function( elem, key, value ) {
-					return bulk.call( jQuery( elem ), value );
-				};
-			}
-		}
-
-		if ( fn ) {
-			for ( ; i < length; i++ ) {
-				fn(
-					elems[ i ],
-					key,
-					raw ? value : value.call( elems[ i ], i, fn( elems[ i ], key ) )
-				);
-			}
-		}
+	if ( display ) {
+		return display;
 	}
 
-	return chainable ?
-		elems :
-
-		// Gets
-		bulk ?
-			fn.call( elems ) :
-			length ? fn( elems[ 0 ], key ) : emptyGet;
-};
-var rcheckableType = ( /^(?:checkbox|radio)$/i );
+	temp = doc.body.appendChild( doc.createElement( nodeName ) );
+	display = jQuery.css( temp, "display" );
 
-var rtagName = ( /<([\w:-]+)/ );
+	temp.parentNode.removeChild( temp );
 
-var rscriptType = ( /^$|\/(?:java|ecma)script/i );
+	if ( display === "none" ) {
+		display = "block";
+	}
+	defaultDisplayMap[ nodeName ] = display;
 
-var rleadingWhitespace = ( /^\s+/ );
+	return display;
+}
 
-var nodeNames = "abbr|article|aside|audio|bdi|canvas|data|datalist|" +
-		"details|dialog|figcaption|figure|footer|header|hgroup|main|" +
-		"mark|meter|nav|output|picture|progress|section|summary|template|time|video";
+function showHide( elements, show ) {
+	var display, elem,
+		values = [],
+		index = 0,
+		length = elements.length;
 
+	// Determine new display value for elements that need to change
+	for ( ; index < length; index++ ) {
+		elem = elements[ index ];
+		if ( !elem.style ) {
+			continue;
+		}
 
+		display = elem.style.display;
+		if ( show ) {
 
-function createSafeFragment( document ) {
-	var list = nodeNames.split( "|" ),
-		safeFrag = document.createDocumentFragment();
+			// Since we force visibility upon cascade-hidden elements, an immediate (and slow)
+			// check is required in this first loop unless we have a nonempty display value (either
+			// inline or about-to-be-restored)
+			if ( display === "none" ) {
+				values[ index ] = dataPriv.get( elem, "display" ) || null;
+				if ( !values[ index ] ) {
+					elem.style.display = "";
+				}
+			}
+			if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) {
+				values[ index ] = getDefaultDisplay( elem );
+			}
+		} else {
+			if ( display !== "none" ) {
+				values[ index ] = "none";
 
-	if ( safeFrag.createElement ) {
-		while ( list.length ) {
-			safeFrag.createElement(
-				list.pop()
-			);
+				// Remember what we're overwriting
+				dataPriv.set( elem, "display", display );
+			}
 		}
 	}
-	return safeFrag;
-}
-
 
-( function() {
-	var div = document.createElement( "div" ),
-		fragment = document.createDocumentFragment(),
-		input = document.createElement( "input" );
+	// Set the display of the elements in a second loop to avoid constant reflow
+	for ( index = 0; index < length; index++ ) {
+		if ( values[ index ] != null ) {
+			elements[ index ].style.display = values[ index ];
+		}
+	}
 
-	// Setup
-	div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
+	return elements;
+}
 
-	// IE strips leading whitespace when .innerHTML is used
-	support.leadingWhitespace = div.firstChild.nodeType === 3;
+jQuery.fn.extend( {
+	show: function() {
+		return showHide( this, true );
+	},
+	hide: function() {
+		return showHide( this );
+	},
+	toggle: function( state ) {
+		if ( typeof state === "boolean" ) {
+			return state ? this.show() : this.hide();
+		}
 
-	// Make sure that tbody elements aren't automatically inserted
-	// IE will insert them into empty tables
-	support.tbody = !div.getElementsByTagName( "tbody" ).length;
+		return this.each( function() {
+			if ( isHiddenWithinTree( this ) ) {
+				jQuery( this ).show();
+			} else {
+				jQuery( this ).hide();
+			}
+		} );
+	}
+} );
+var rcheckableType = ( /^(?:checkbox|radio)$/i );
 
-	// Make sure that link elements get serialized correctly by innerHTML
-	// This requires a wrapper element in IE
-	support.htmlSerialize = !!div.getElementsByTagName( "link" ).length;
+var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]*)/i );
 
-	// Makes sure cloning an html5 element does not cause problems
-	// Where outerHTML is undefined, this still works
-	support.html5Clone =
-		document.createElement( "nav" ).cloneNode( true ).outerHTML !== "<:nav></:nav>";
+var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i );
 
-	// Check if a disconnected checkbox will retain its checked
-	// value of true after appended to the DOM (IE6/7)
-	input.type = "checkbox";
-	input.checked = true;
-	fragment.appendChild( input );
-	support.appendChecked = input.checked;
 
-	// Make sure textarea (and checkbox) defaultValue is properly cloned
-	// Support: IE6-IE11+
-	div.innerHTML = "<textarea>x</textarea>";
-	support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
 
-	// #11217 - WebKit loses check when the name is after the checked attribute
-	fragment.appendChild( div );
+( function() {
+	var fragment = document.createDocumentFragment(),
+		div = fragment.appendChild( document.createElement( "div" ) ),
+		input = document.createElement( "input" );
 
+	// Support: Android 4.0 - 4.3 only
+	// Check state lost if the name is set (#11217)
 	// Support: Windows Web Apps (WWA)
 	// `name` and `type` must use .setAttribute for WWA (#14901)
-	input = document.createElement( "input" );
 	input.setAttribute( "type", "radio" );
 	input.setAttribute( "checked", "checked" );
 	input.setAttribute( "name", "t" );
 
 	div.appendChild( input );
 
-	// Support: Safari 5.1, iOS 5.1, Android 4.x, Android 2.3
-	// old WebKit doesn't clone checked state correctly in fragments
+	// Support: Android <=4.1 only
+	// Older WebKit doesn't clone checked state correctly in fragments
 	support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
 
-	// Support: IE<9
-	// Cloned elements keep attachEvent handlers, we use addEventListener on IE9+
-	support.noCloneEvent = !!div.addEventListener;
+	// Support: IE <=11 only
+	// Make sure textarea (and checkbox) defaultValue is properly cloned
+	div.innerHTML = "<textarea>x</textarea>";
+	support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
 
-	// Support: IE<9
-	// Since attributes and properties are the same in IE,
-	// cleanData must set properties to undefined rather than use removeAttribute
-	div[ jQuery.expando ] = 1;
-	support.attributes = !div.getAttribute( jQuery.expando );
+	// Support: IE <=9 only
+	// IE <=9 replaces <option> tags with their contents when inserted outside of
+	// the select element.
+	div.innerHTML = "<option></option>";
+	support.option = !!div.lastChild;
 } )();
 
 
 // We have to close these tags to support XHTML (#13200)
 var wrapMap = {
-	option: [ 1, "<select multiple='multiple'>", "</select>" ],
-	legend: [ 1, "<fieldset>", "</fieldset>" ],
-	area: [ 1, "<map>", "</map>" ],
 
-	// Support: IE8
-	param: [ 1, "<object>", "</object>" ],
+	// XHTML parsers do not magically insert elements in the
+	// same way that tag soup parsers do. So we cannot shorten
+	// this by omitting <tbody> or other required elements.
 	thead: [ 1, "<table>", "</table>" ],
+	col: [ 2, "<table><colgroup>", "</colgroup></table>" ],
 	tr: [ 2, "<table><tbody>", "</tbody></table>" ],
-	col: [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ],
 	td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
 
-	// IE6-8 can't serialize link, script, style, or any html5 (NoScope) tags,
-	// unless wrapped in a div with non-breaking characters in front of it.
-	_default: support.htmlSerialize ? [ 0, "", "" ] : [ 1, "X<div>", "</div>" ]
+	_default: [ 0, "", "" ]
 };
 
-// Support: IE8-IE9
-wrapMap.optgroup = wrapMap.option;
-
 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
 wrapMap.th = wrapMap.td;
 
+// Support: IE <=9 only
+if ( !support.option ) {
+	wrapMap.optgroup = wrapMap.option = [ 1, "<select multiple='multiple'>", "</select>" ];
+}
+
 
 function getAll( context, tag ) {
-	var elems, elem,
-		i = 0,
-		found = typeof context.getElementsByTagName !== "undefined" ?
-			context.getElementsByTagName( tag || "*" ) :
-			typeof context.querySelectorAll !== "undefined" ?
-				context.querySelectorAll( tag || "*" ) :
-				undefined;
-
-	if ( !found ) {
-		for ( found = [], elems = context.childNodes || context;
-			( elem = elems[ i ] ) != null;
-			i++
-		) {
-			if ( !tag || jQuery.nodeName( elem, tag ) ) {
-				found.push( elem );
-			} else {
-				jQuery.merge( found, getAll( elem, tag ) );
-			}
-		}
+
+	// Support: IE <=9 - 11 only
+	// Use typeof to avoid zero-argument method invocation on host objects (#15151)
+	var ret;
+
+	if ( typeof context.getElementsByTagName !== "undefined" ) {
+		ret = context.getElementsByTagName( tag || "*" );
+
+	} else if ( typeof context.querySelectorAll !== "undefined" ) {
+		ret = context.querySelectorAll( tag || "*" );
+
+	} else {
+		ret = [];
 	}
 
-	return tag === undefined || tag && jQuery.nodeName( context, tag ) ?
-		jQuery.merge( [ context ], found ) :
-		found;
+	if ( tag === undefined || tag && nodeName( context, tag ) ) {
+		return jQuery.merge( [ context ], ret );
+	}
+
+	return ret;
 }
 
 
 // Mark scripts as having already been evaluated
 function setGlobalEval( elems, refElements ) {
-	var elem,
-		i = 0;
-	for ( ; ( elem = elems[ i ] ) != null; i++ ) {
-		jQuery._data(
-			elem,
+	var i = 0,
+		l = elems.length;
+
+	for ( ; i < l; i++ ) {
+		dataPriv.set(
+			elems[ i ],
 			"globalEval",
-			!refElements || jQuery._data( refElements[ i ], "globalEval" )
+			!refElements || dataPriv.get( refElements[ i ], "globalEval" )
 		);
 	}
 }
 
 
-var rhtml = /<|&#?\w+;/,
-	rtbody = /<tbody/i;
-
-function fixDefaultChecked( elem ) {
-	if ( rcheckableType.test( elem.type ) ) {
-		elem.defaultChecked = elem.checked;
-	}
-}
+var rhtml = /<|&#?\w+;/;
 
 function buildFragment( elems, context, scripts, selection, ignored ) {
-	var j, elem, contains,
-		tmp, tag, tbody, wrap,
-		l = elems.length,
-
-		// Ensure a safe fragment
-		safe = createSafeFragment( context ),
-
+	var elem, tmp, tag, wrap, attached, j,
+		fragment = context.createDocumentFragment(),
 		nodes = [],
-		i = 0;
+		i = 0,
+		l = elems.length;
 
 	for ( ; i < l; i++ ) {
 		elem = elems[ i ];
@@ -4613,7 +5016,10 @@ function buildFragment( elems, context, scripts, selection, ignored ) {
 		if ( elem || elem === 0 ) {
 
 			// Add nodes directly
-			if ( jQuery.type( elem ) === "object" ) {
+			if ( toType( elem ) === "object" ) {
+
+				// Support: Android <=4.0 only, PhantomJS 1 only
+				// push.apply(_, arraylike) throws on ancient WebKit
 				jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
 
 			// Convert non-html into a text node
@@ -4622,12 +5028,11 @@ function buildFragment( elems, context, scripts, selection, ignored ) {
 
 			// Convert html into DOM nodes
 			} else {
-				tmp = tmp || safe.appendChild( context.createElement( "div" ) );
+				tmp = tmp || fragment.appendChild( context.createElement( "div" ) );
 
 				// Deserialize a standard representation
 				tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase();
 				wrap = wrapMap[ tag ] || wrapMap._default;
-
 				tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];
 
 				// Descend through wrappers to the right content
@@ -4636,59 +5041,21 @@ function buildFragment( elems, context, scripts, selection, ignored ) {
 					tmp = tmp.lastChild;
 				}
 
-				// Manually add leading whitespace removed by IE
-				if ( !support.leadingWhitespace && rleadingWhitespace.test( elem ) ) {
-					nodes.push( context.createTextNode( rleadingWhitespace.exec( elem )[ 0 ] ) );
-				}
-
-				// Remove IE's autoinserted <tbody> from table fragments
-				if ( !support.tbody ) {
-
-					// String was a <table>, *may* have spurious <tbody>
-					elem = tag === "table" && !rtbody.test( elem ) ?
-						tmp.firstChild :
-
-						// String was a bare <thead> or <tfoot>
-						wrap[ 1 ] === "<table>" && !rtbody.test( elem ) ?
-							tmp :
-							0;
-
-					j = elem && elem.childNodes.length;
-					while ( j-- ) {
-						if ( jQuery.nodeName( ( tbody = elem.childNodes[ j ] ), "tbody" ) &&
-							!tbody.childNodes.length ) {
-
-							elem.removeChild( tbody );
-						}
-					}
-				}
-
+				// Support: Android <=4.0 only, PhantomJS 1 only
+				// push.apply(_, arraylike) throws on ancient WebKit
 				jQuery.merge( nodes, tmp.childNodes );
 
-				// Fix #12392 for WebKit and IE > 9
-				tmp.textContent = "";
+				// Remember the top-level container
+				tmp = fragment.firstChild;
 
-				// Fix #12392 for oldIE
-				while ( tmp.firstChild ) {
-					tmp.removeChild( tmp.firstChild );
-				}
-
-				// Remember the top-level container for proper cleanup
-				tmp = safe.lastChild;
+				// Ensure the created nodes are orphaned (#12392)
+				tmp.textContent = "";
 			}
 		}
 	}
 
-	// Fix #11356: Clear elements from fragment
-	if ( tmp ) {
-		safe.removeChild( tmp );
-	}
-
-	// Reset defaultChecked for any radios and checkboxes
-	// about to be appended to the DOM in IE 6/7 (#8060)
-	if ( !support.appendChecked ) {
-		jQuery.grep( getAll( nodes, "input" ), fixDefaultChecked );
-	}
+	// Remove wrapper from fragment
+	fragment.textContent = "";
 
 	i = 0;
 	while ( ( elem = nodes[ i++ ] ) ) {
@@ -4698,17 +5065,16 @@ function buildFragment( elems, context, scripts, selection, ignored ) {
 			if ( ignored ) {
 				ignored.push( elem );
 			}
-
 			continue;
 		}
 
-		contains = jQuery.contains( elem.ownerDocument, elem );
+		attached = isAttached( elem );
 
 		// Append to fragment
-		tmp = getAll( safe.appendChild( elem ), "script" );
+		tmp = getAll( fragment.appendChild( elem ), "script" );
 
 		// Preserve script evaluation history
-		if ( contains ) {
+		if ( attached ) {
 			setGlobalEval( tmp );
 		}
 
@@ -4723,38 +5089,11 @@ function buildFragment( elems, context, scripts, selection, ignored ) {
 		}
 	}
 
-	tmp = null;
-
-	return safe;
+	return fragment;
 }
 
 
-( function() {
-	var i, eventName,
-		div = document.createElement( "div" );
-
-	// Support: IE<9 (lack submit/change bubble), Firefox (lack focus(in | out) events)
-	for ( i in { submit: true, change: true, focusin: true } ) {
-		eventName = "on" + i;
-
-		if ( !( support[ i ] = eventName in window ) ) {
-
-			// Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP)
-			div.setAttribute( eventName, "t" );
-			support[ i ] = div.attributes[ eventName ].expando === false;
-		}
-	}
-
-	// Null elements to avoid leaks in IE.
-	div = null;
-} )();
-
-
-var rformElems = /^(?:input|select|textarea)$/i,
-	rkeyEvent = /^key/,
-	rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
-	rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
-	rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
+var rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
 
 function returnTrue() {
 	return true;
@@ -4764,8 +5103,19 @@ function returnFalse() {
 	return false;
 }
 
-// Support: IE9
-// See #13393 for more info
+// Support: IE <=9 - 11+
+// focus() and blur() are asynchronous, except when they are no-op.
+// So expect focus to be synchronous when the element is already active,
+// and blur to be synchronous when the element is not already active.
+// (focus and blur are always synchronous in other supported browsers,
+// this just defines when we can count on it).
+function expectSync( elem, type ) {
+	return ( elem === safeActiveElement() ) === ( type === "focus" );
+}
+
+// Support: IE <=9 only
+// Accessing document.activeElement can throw unexpectedly
+// https://bugs.jquery.com/ticket/13393
 function safeActiveElement() {
 	try {
 		return document.activeElement;
@@ -4842,13 +5192,14 @@ jQuery.event = {
 	global: {},
 
 	add: function( elem, types, handler, data, selector ) {
-		var tmp, events, t, handleObjIn,
-			special, eventHandle, handleObj,
-			handlers, type, namespaces, origType,
-			elemData = jQuery._data( elem );
 
-		// Don't attach events to noData or text/comment nodes (but allow plain objects)
-		if ( !elemData ) {
+		var handleObjIn, eventHandle, tmp,
+			events, t, handleObj,
+			special, handlers, type, namespaces, origType,
+			elemData = dataPriv.get( elem );
+
+		// Only attach events to objects that accept data
+		if ( !acceptData( elem ) ) {
 			return;
 		}
 
@@ -4859,6 +5210,12 @@ jQuery.event = {
 			selector = handleObjIn.selector;
 		}
 
+		// Ensure that invalid selectors throw exceptions at attach time
+		// Evaluate against documentElement in case elem is a non-element node (e.g., document)
+		if ( selector ) {
+			jQuery.find.matchesSelector( documentElement, selector );
+		}
+
 		// Make sure that the handler has a unique ID, used to find/remove it later
 		if ( !handler.guid ) {
 			handler.guid = jQuery.guid++;
@@ -4866,26 +5223,20 @@ jQuery.event = {
 
 		// Init the element's event structure and main handler, if this is the first
 		if ( !( events = elemData.events ) ) {
-			events = elemData.events = {};
+			events = elemData.events = Object.create( null );
 		}
 		if ( !( eventHandle = elemData.handle ) ) {
 			eventHandle = elemData.handle = function( e ) {
 
 				// Discard the second event of a jQuery.event.trigger() and
 				// when an event is called after a page has unloaded
-				return typeof jQuery !== "undefined" &&
-					( !e || jQuery.event.triggered !== e.type ) ?
-					jQuery.event.dispatch.apply( eventHandle.elem, arguments ) :
-					undefined;
+				return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ?
+					jQuery.event.dispatch.apply( elem, arguments ) : undefined;
 			};
-
-			// Add elem as a property of the handle fn to prevent a memory leak
-			// with IE non-native events
-			eventHandle.elem = elem;
 		}
 
 		// Handle multiple events separated by a space
-		types = ( types || "" ).match( rnotwhite ) || [ "" ];
+		types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
 		t = types.length;
 		while ( t-- ) {
 			tmp = rtypenamespace.exec( types[ t ] ) || [];
@@ -4923,16 +5274,12 @@ jQuery.event = {
 				handlers = events[ type ] = [];
 				handlers.delegateCount = 0;
 
-				// Only use addEventListener/attachEvent if the special events handler returns false
+				// Only use addEventListener if the special events handler returns false
 				if ( !special.setup ||
 					special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
 
-					// Bind the global event handler to the element
 					if ( elem.addEventListener ) {
-						elem.addEventListener( type, eventHandle, false );
-
-					} else if ( elem.attachEvent ) {
-						elem.attachEvent( "on" + type, eventHandle );
+						elem.addEventListener( type, eventHandle );
 					}
 				}
 			}
@@ -4956,24 +5303,22 @@ jQuery.event = {
 			jQuery.event.global[ type ] = true;
 		}
 
-		// Nullify elem to prevent memory leaks in IE
-		elem = null;
 	},
 
 	// Detach an event or set of events from an element
 	remove: function( elem, types, handler, selector, mappedTypes ) {
-		var j, handleObj, tmp,
-			origCount, t, events,
-			special, handlers, type,
-			namespaces, origType,
-			elemData = jQuery.hasData( elem ) && jQuery._data( elem );
+
+		var j, origCount, tmp,
+			events, t, handleObj,
+			special, handlers, type, namespaces, origType,
+			elemData = dataPriv.hasData( elem ) && dataPriv.get( elem );
 
 		if ( !elemData || !( events = elemData.events ) ) {
 			return;
 		}
 
 		// Once for each type.namespace in types; type may be omitted
-		types = ( types || "" ).match( rnotwhite ) || [ "" ];
+		types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
 		t = types.length;
 		while ( t-- ) {
 			tmp = rtypenamespace.exec( types[ t ] ) || [];
@@ -5028,174 +5373,32 @@ jQuery.event = {
 			}
 		}
 
-		// Remove the expando if it's no longer used
+		// Remove data and the expando if it's no longer used
 		if ( jQuery.isEmptyObject( events ) ) {
-			delete elemData.handle;
-
-			// removeData also checks for emptiness and clears the expando if empty
-			// so use it instead of delete
-			jQuery._removeData( elem, "events" );
+			dataPriv.remove( elem, "handle events" );
 		}
 	},
 
-	trigger: function( event, data, elem, onlyHandlers ) {
-		var handle, ontype, cur,
-			bubbleType, special, tmp, i,
-			eventPath = [ elem || document ],
-			type = hasOwn.call( event, "type" ) ? event.type : event,
-			namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : [];
-
-		cur = tmp = elem = elem || document;
-
-		// Don't do events on text and comment nodes
-		if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
-			return;
-		}
-
-		// focus/blur morphs to focusin/out; ensure we're not firing them right now
-		if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
-			return;
-		}
-
-		if ( type.indexOf( "." ) > -1 ) {
-
-			// Namespaced trigger; create a regexp to match event type in handle()
-			namespaces = type.split( "." );
-			type = namespaces.shift();
-			namespaces.sort();
-		}
-		ontype = type.indexOf( ":" ) < 0 && "on" + type;
-
-		// Caller can pass in a jQuery.Event object, Object, or just an event type string
-		event = event[ jQuery.expando ] ?
-			event :
-			new jQuery.Event( type, typeof event === "object" && event );
-
-		// Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
-		event.isTrigger = onlyHandlers ? 2 : 3;
-		event.namespace = namespaces.join( "." );
-		event.rnamespace = event.namespace ?
-			new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) :
-			null;
-
-		// Clean up the event in case it is being reused
-		event.result = undefined;
-		if ( !event.target ) {
-			event.target = elem;
-		}
-
-		// Clone any incoming data and prepend the event, creating the handler arg list
-		data = data == null ?
-			[ event ] :
-			jQuery.makeArray( data, [ event ] );
-
-		// Allow special events to draw outside the lines
-		special = jQuery.event.special[ type ] || {};
-		if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
-			return;
-		}
-
-		// Determine event propagation path in advance, per W3C events spec (#9951)
-		// Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
-		if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {
-
-			bubbleType = special.delegateType || type;
-			if ( !rfocusMorph.test( bubbleType + type ) ) {
-				cur = cur.parentNode;
-			}
-			for ( ; cur; cur = cur.parentNode ) {
-				eventPath.push( cur );
-				tmp = cur;
-			}
-
-			// Only add window if we got to document (e.g., not plain obj or detached DOM)
-			if ( tmp === ( elem.ownerDocument || document ) ) {
-				eventPath.push( tmp.defaultView || tmp.parentWindow || window );
-			}
-		}
-
-		// Fire handlers on the event path
-		i = 0;
-		while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) {
-
-			event.type = i > 1 ?
-				bubbleType :
-				special.bindType || type;
-
-			// jQuery handler
-			handle = ( jQuery._data( cur, "events" ) || {} )[ event.type ] &&
-				jQuery._data( cur, "handle" );
-
-			if ( handle ) {
-				handle.apply( cur, data );
-			}
-
-			// Native handler
-			handle = ontype && cur[ ontype ];
-			if ( handle && handle.apply && acceptData( cur ) ) {
-				event.result = handle.apply( cur, data );
-				if ( event.result === false ) {
-					event.preventDefault();
-				}
-			}
-		}
-		event.type = type;
-
-		// If nobody prevented the default action, do it now
-		if ( !onlyHandlers && !event.isDefaultPrevented() ) {
-
-			if (
-				( !special._default ||
-				 special._default.apply( eventPath.pop(), data ) === false
-				) && acceptData( elem )
-			) {
-
-				// Call a native DOM method on the target with the same name name as the event.
-				// Can't use an .isFunction() check here because IE6/7 fails that test.
-				// Don't do default actions on window, that's where global variables be (#6170)
-				if ( ontype && elem[ type ] && !jQuery.isWindow( elem ) ) {
-
-					// Don't re-trigger an onFOO event when we call its FOO() method
-					tmp = elem[ ontype ];
-
-					if ( tmp ) {
-						elem[ ontype ] = null;
-					}
-
-					// Prevent re-triggering of the same event, since we already bubbled it above
-					jQuery.event.triggered = type;
-					try {
-						elem[ type ]();
-					} catch ( e ) {
+	dispatch: function( nativeEvent ) {
 
-						// IE<9 dies on focus/blur to hidden element (#1486,#12518)
-						// only reproducible on winXP IE8 native, not IE9 in IE8 mode
-					}
-					jQuery.event.triggered = undefined;
+		var i, j, ret, matched, handleObj, handlerQueue,
+			args = new Array( arguments.length ),
 
-					if ( tmp ) {
-						elem[ ontype ] = tmp;
-					}
-				}
-			}
-		}
-
-		return event.result;
-	},
+			// Make a writable jQuery.Event from the native event object
+			event = jQuery.event.fix( nativeEvent ),
 
-	dispatch: function( event ) {
-
-		// Make a writable jQuery.Event from the native event object
-		event = jQuery.event.fix( event );
-
-		var i, j, ret, matched, handleObj,
-			handlerQueue = [],
-			args = slice.call( arguments ),
-			handlers = ( jQuery._data( this, "events" ) || {} )[ event.type ] || [],
+			handlers = (
+				dataPriv.get( this, "events" ) || Object.create( null )
+			)[ event.type ] || [],
 			special = jQuery.event.special[ event.type ] || {};
 
 		// Use the fix-ed jQuery.Event rather than the (read-only) native event
 		args[ 0 ] = event;
+
+		for ( i = 1; i < arguments.length; i++ ) {
+			args[ i ] = arguments[ i ];
+		}
+
 		event.delegateTarget = this;
 
 		// Call the preDispatch hook for the mapped type, and let it bail if desired
@@ -5215,9 +5418,10 @@ jQuery.event = {
 			while ( ( handleObj = matched.handlers[ j++ ] ) &&
 				!event.isImmediatePropagationStopped() ) {
 
-				// Triggered event must either 1) have no namespace, or 2) have namespace(s)
-				// a subset or equal to those in the bound event (both can have no namespace).
-				if ( !event.rnamespace || event.rnamespace.test( handleObj.namespace ) ) {
+				// If the event is namespaced, then each handler is only invoked if it is
+				// specially universal or its namespaces are a superset of the event's.
+				if ( !event.rnamespace || handleObj.namespace === false ||
+					event.rnamespace.test( handleObj.namespace ) ) {
 
 					event.handleObj = handleObj;
 					event.data = handleObj.data;
@@ -5244,160 +5448,95 @@ jQuery.event = {
 	},
 
 	handlers: function( event, handlers ) {
-		var i, matches, sel, handleObj,
+		var i, handleObj, sel, matchedHandlers, matchedSelectors,
 			handlerQueue = [],
 			delegateCount = handlers.delegateCount,
 			cur = event.target;
 
-		// Support (at least): Chrome, IE9
 		// Find delegate handlers
-		// Black-hole SVG <use> instance trees (#13180)
-		//
-		// Support: Firefox<=42+
-		// Avoid non-left-click in FF but don't block IE radio events (#3861, gh-2343)
-		if ( delegateCount && cur.nodeType &&
-			( event.type !== "click" || isNaN( event.button ) || event.button < 1 ) ) {
+		if ( delegateCount &&
+
+			// Support: IE <=9
+			// Black-hole SVG <use> instance trees (trac-13180)
+			cur.nodeType &&
+
+			// Support: Firefox <=42
+			// Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861)
+			// https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click
+			// Support: IE 11 only
+			// ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343)
+			!( event.type === "click" && event.button >= 1 ) ) {
 
-			/* jshint eqeqeq: false */
-			for ( ; cur != this; cur = cur.parentNode || this ) {
-				/* jshint eqeqeq: true */
+			for ( ; cur !== this; cur = cur.parentNode || this ) {
 
 				// Don't check non-elements (#13208)
 				// Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
-				if ( cur.nodeType === 1 && ( cur.disabled !== true || event.type !== "click" ) ) {
-					matches = [];
+				if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) {
+					matchedHandlers = [];
+					matchedSelectors = {};
 					for ( i = 0; i < delegateCount; i++ ) {
 						handleObj = handlers[ i ];
 
 						// Don't conflict with Object.prototype properties (#13203)
 						sel = handleObj.selector + " ";
 
-						if ( matches[ sel ] === undefined ) {
-							matches[ sel ] = handleObj.needsContext ?
+						if ( matchedSelectors[ sel ] === undefined ) {
+							matchedSelectors[ sel ] = handleObj.needsContext ?
 								jQuery( sel, this ).index( cur ) > -1 :
 								jQuery.find( sel, this, null, [ cur ] ).length;
 						}
-						if ( matches[ sel ] ) {
-							matches.push( handleObj );
+						if ( matchedSelectors[ sel ] ) {
+							matchedHandlers.push( handleObj );
 						}
 					}
-					if ( matches.length ) {
-						handlerQueue.push( { elem: cur, handlers: matches } );
+					if ( matchedHandlers.length ) {
+						handlerQueue.push( { elem: cur, handlers: matchedHandlers } );
 					}
 				}
 			}
 		}
 
 		// Add the remaining (directly-bound) handlers
+		cur = this;
 		if ( delegateCount < handlers.length ) {
-			handlerQueue.push( { elem: this, handlers: handlers.slice( delegateCount ) } );
+			handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } );
 		}
 
 		return handlerQueue;
 	},
 
-	fix: function( event ) {
-		if ( event[ jQuery.expando ] ) {
-			return event;
-		}
-
-		// Create a writable copy of the event object and normalize some properties
-		var i, prop, copy,
-			type = event.type,
-			originalEvent = event,
-			fixHook = this.fixHooks[ type ];
-
-		if ( !fixHook ) {
-			this.fixHooks[ type ] = fixHook =
-				rmouseEvent.test( type ) ? this.mouseHooks :
-				rkeyEvent.test( type ) ? this.keyHooks :
-				{};
-		}
-		copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props;
-
-		event = new jQuery.Event( originalEvent );
-
-		i = copy.length;
-		while ( i-- ) {
-			prop = copy[ i ];
-			event[ prop ] = originalEvent[ prop ];
-		}
-
-		// Support: IE<9
-		// Fix target property (#1925)
-		if ( !event.target ) {
-			event.target = originalEvent.srcElement || document;
-		}
-
-		// Support: Safari 6-8+
-		// Target should not be a text node (#504, #13143)
-		if ( event.target.nodeType === 3 ) {
-			event.target = event.target.parentNode;
-		}
-
-		// Support: IE<9
-		// For mouse/key events, metaKey==false if it's undefined (#3368, #11328)
-		event.metaKey = !!event.metaKey;
-
-		return fixHook.filter ? fixHook.filter( event, originalEvent ) : event;
-	},
-
-	// Includes some event props shared by KeyEvent and MouseEvent
-	props: ( "altKey bubbles cancelable ctrlKey currentTarget detail eventPhase " +
-		"metaKey relatedTarget shiftKey target timeStamp view which" ).split( " " ),
-
-	fixHooks: {},
+	addProp: function( name, hook ) {
+		Object.defineProperty( jQuery.Event.prototype, name, {
+			enumerable: true,
+			configurable: true,
 
-	keyHooks: {
-		props: "char charCode key keyCode".split( " " ),
-		filter: function( event, original ) {
+			get: isFunction( hook ) ?
+				function() {
+					if ( this.originalEvent ) {
+						return hook( this.originalEvent );
+					}
+				} :
+				function() {
+					if ( this.originalEvent ) {
+						return this.originalEvent[ name ];
+					}
+				},
 
-			// Add which for key events
-			if ( event.which == null ) {
-				event.which = original.charCode != null ? original.charCode : original.keyCode;
+			set: function( value ) {
+				Object.defineProperty( this, name, {
+					enumerable: true,
+					configurable: true,
+					writable: true,
+					value: value
+				} );
 			}
-
-			return event;
-		}
+		} );
 	},
 
-	mouseHooks: {
-		props: ( "button buttons clientX clientY fromElement offsetX offsetY " +
-			"pageX pageY screenX screenY toElement" ).split( " " ),
-		filter: function( event, original ) {
-			var body, eventDoc, doc,
-				button = original.button,
-				fromElement = original.fromElement;
-
-			// Calculate pageX/Y if missing and clientX/Y available
-			if ( event.pageX == null && original.clientX != null ) {
-				eventDoc = event.target.ownerDocument || document;
-				doc = eventDoc.documentElement;
-				body = eventDoc.body;
-
-				event.pageX = original.clientX +
-					( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) -
-					( doc && doc.clientLeft || body && body.clientLeft || 0 );
-				event.pageY = original.clientY +
-					( doc && doc.scrollTop  || body && body.scrollTop  || 0 ) -
-					( doc && doc.clientTop  || body && body.clientTop  || 0 );
-			}
-
-			// Add relatedTarget, if necessary
-			if ( !event.relatedTarget && fromElement ) {
-				event.relatedTarget = fromElement === event.target ?
-					original.toElement :
-					fromElement;
-			}
-
-			// Add which for click: 1 === left; 2 === middle; 3 === right
-			// Note: button is not normalized, so don't use it
-			if ( !event.which && button !== undefined ) {
-				event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) );
-			}
-
-			return event;
-		}
+	fix: function( originalEvent ) {
+		return originalEvent[ jQuery.expando ] ?
+			originalEvent :
+			new jQuery.Event( originalEvent );
 	},
 
 	special: {
@@ -5406,46 +5545,51 @@ jQuery.event = {
 			// Prevent triggered image.load events from bubbling to window.load
 			noBubble: true
 		},
-		focus: {
-
-			// Fire native event if possible so blur/focus sequence is correct
-			trigger: function() {
-				if ( this !== safeActiveElement() && this.focus ) {
-					try {
-						this.focus();
-						return false;
-					} catch ( e ) {
-
-						// Support: IE<9
-						// If we error on focus to hidden element (#1486, #12518),
-						// let .trigger() run the handlers
-					}
-				}
-			},
-			delegateType: "focusin"
-		},
-		blur: {
-			trigger: function() {
-				if ( this === safeActiveElement() && this.blur ) {
-					this.blur();
-					return false;
+		click: {
+
+			// Utilize native event to ensure correct state for checkable inputs
+			setup: function( data ) {
+
+				// For mutual compressibility with _default, replace `this` access with a local var.
+				// `|| data` is dead code meant only to preserve the variable through minification.
+				var el = this || data;
+
+				// Claim the first handler
+				if ( rcheckableType.test( el.type ) &&
+					el.click && nodeName( el, "input" ) ) {
+
+					// dataPriv.set( el, "click", ... )
+					leverageNative( el, "click", returnTrue );
 				}
+
+				// Return false to allow normal processing in the caller
+				return false;
 			},
-			delegateType: "focusout"
-		},
-		click: {
+			trigger: function( data ) {
 
-			// For checkbox, fire native event so checked state will be right
-			trigger: function() {
-				if ( jQuery.nodeName( this, "input" ) && this.type === "checkbox" && this.click ) {
-					this.click();
-					return false;
+				// For mutual compressibility with _default, replace `this` access with a local var.
+				// `|| data` is dead code meant only to preserve the variable through minification.
+				var el = this || data;
+
+				// Force setup before triggering a click
+				if ( rcheckableType.test( el.type ) &&
+					el.click && nodeName( el, "input" ) ) {
+
+					leverageNative( el, "click" );
 				}
+
+				// Return non-false to allow normal event-path propagation
+				return true;
 			},
 
-			// For cross-browser consistency, don't fire native .click() on links
+			// For cross-browser consistency, suppress native .click() on links
+			// Also prevent it if we're currently inside a leveraged native-event stack
 			_default: function( event ) {
-				return jQuery.nodeName( event.target, "a" );
+				var target = event.target;
+				return rcheckableType.test( target.type ) &&
+					target.click && nodeName( target, "input" ) &&
+					dataPriv.get( target, "click" ) ||
+					nodeName( target, "a" );
 			}
 		},
 
@@ -5459,59 +5603,109 @@ jQuery.event = {
 				}
 			}
 		}
-	},
-
-	// Piggyback on a donor event to simulate a different one
-	simulate: function( type, elem, event ) {
-		var e = jQuery.extend(
-			new jQuery.Event(),
-			event,
-			{
-				type: type,
-				isSimulated: true
-
-				// Previously, `originalEvent: {}` was set here, so stopPropagation call
-				// would not be triggered on donor event, since in our own
-				// jQuery.event.stopPropagation function we had a check for existence of
-				// originalEvent.stopPropagation method, so, consequently it would be a noop.
-				//
-				// Guard for simulated events was moved to jQuery.event.stopPropagation function
-				// since `originalEvent` should point to the original event for the
-				// constancy with other events and for more focused logic
-			}
-		);
+	}
+};
 
-		jQuery.event.trigger( e, null, elem );
+// Ensure the presence of an event listener that handles manually-triggered
+// synthetic events by interrupting progress until reinvoked in response to
+// *native* events that it fires directly, ensuring that state changes have
+// already occurred before other listeners are invoked.
+function leverageNative( el, type, expectSync ) {
 
-		if ( e.isDefaultPrevented() ) {
-			event.preventDefault();
+	// Missing expectSync indicates a trigger call, which must force setup through jQuery.event.add
+	if ( !expectSync ) {
+		if ( dataPriv.get( el, type ) === undefined ) {
+			jQuery.event.add( el, type, returnTrue );
 		}
+		return;
 	}
-};
 
-jQuery.removeEvent = document.removeEventListener ?
-	function( elem, type, handle ) {
+	// Register the controller as a special universal handler for all event namespaces
+	dataPriv.set( el, type, false );
+	jQuery.event.add( el, type, {
+		namespace: false,
+		handler: function( event ) {
+			var notAsync, result,
+				saved = dataPriv.get( this, type );
+
+			if ( ( event.isTrigger & 1 ) && this[ type ] ) {
+
+				// Interrupt processing of the outer synthetic .trigger()ed event
+				// Saved data should be false in such cases, but might be a leftover capture object
+				// from an async native handler (gh-4350)
+				if ( !saved.length ) {
+
+					// Store arguments for use when handling the inner native event
+					// There will always be at least one argument (an event object), so this array
+					// will not be confused with a leftover capture object.
+					saved = slice.call( arguments );
+					dataPriv.set( this, type, saved );
+
+					// Trigger the native event and capture its result
+					// Support: IE <=9 - 11+
+					// focus() and blur() are asynchronous
+					notAsync = expectSync( this, type );
+					this[ type ]();
+					result = dataPriv.get( this, type );
+					if ( saved !== result || notAsync ) {
+						dataPriv.set( this, type, false );
+					} else {
+						result = {};
+					}
+					if ( saved !== result ) {
+
+						// Cancel the outer synthetic event
+						event.stopImmediatePropagation();
+						event.preventDefault();
+
+						// Support: Chrome 86+
+						// In Chrome, if an element having a focusout handler is blurred by
+						// clicking outside of it, it invokes the handler synchronously. If
+						// that handler calls `.remove()` on the element, the data is cleared,
+						// leaving `result` undefined. We need to guard against this.
+						return result && result.value;
+					}
 
-		// This "if" is needed for plain objects
-		if ( elem.removeEventListener ) {
-			elem.removeEventListener( type, handle );
-		}
-	} :
-	function( elem, type, handle ) {
-		var name = "on" + type;
+				// If this is an inner synthetic event for an event with a bubbling surrogate
+				// (focus or blur), assume that the surrogate already propagated from triggering the
+				// native event and prevent that from happening again here.
+				// This technically gets the ordering wrong w.r.t. to `.trigger()` (in which the
+				// bubbling surrogate propagates *after* the non-bubbling base), but that seems
+				// less bad than duplication.
+				} else if ( ( jQuery.event.special[ type ] || {} ).delegateType ) {
+					event.stopPropagation();
+				}
 
-		if ( elem.detachEvent ) {
+			// If this is a native event triggered above, everything is now in order
+			// Fire an inner synthetic event with the original arguments
+			} else if ( saved.length ) {
 
-			// #8545, #7054, preventing memory leaks for custom events in IE6-8
-			// detachEvent needed property on element, by name of that event,
-			// to properly expose it to GC
-			if ( typeof elem[ name ] === "undefined" ) {
-				elem[ name ] = null;
-			}
+				// ...and capture the result
+				dataPriv.set( this, type, {
+					value: jQuery.event.trigger(
+
+						// Support: IE <=9 - 11+
+						// Extend with the prototype to reset the above stopImmediatePropagation()
+						jQuery.extend( saved[ 0 ], jQuery.Event.prototype ),
+						saved.slice( 1 ),
+						this
+					)
+				} );
 
-			elem.detachEvent( name, handle );
+				// Abort handling of the native event
+				event.stopImmediatePropagation();
+			}
 		}
-	};
+	} );
+}
+
+jQuery.removeEvent = function( elem, type, handle ) {
+
+	// This "if" is needed for plain objects
+	if ( elem.removeEventListener ) {
+		elem.removeEventListener( type, handle );
+	}
+};
 
 jQuery.Event = function( src, props ) {
 
@@ -5530,11 +5724,21 @@ jQuery.Event = function( src, props ) {
 		this.isDefaultPrevented = src.defaultPrevented ||
 				src.defaultPrevented === undefined &&
 
-				// Support: IE < 9, Android < 4.0
+				// Support: Android <=2.3 only
 				src.returnValue === false ?
 			returnTrue :
 			returnFalse;
 
+		// Create target properties
+		// Support: Safari <=6 - 7 only
+		// Target should not be a text node (#504, #13143)
+		this.target = ( src.target && src.target.nodeType === 3 ) ?
+			src.target.parentNode :
+			src.target;
+
+		this.currentTarget = src.currentTarget;
+		this.relatedTarget = src.relatedTarget;
+
 	// Event type
 	} else {
 		this.type = src;
@@ -5546,36 +5750,28 @@ jQuery.Event = function( src, props ) {
 	}
 
 	// Create a timestamp if incoming event doesn't have one
-	this.timeStamp = src && src.timeStamp || jQuery.now();
+	this.timeStamp = src && src.timeStamp || Date.now();
 
 	// Mark it as fixed
 	this[ jQuery.expando ] = true;
 };
 
 // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
-// http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
+// https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
 jQuery.Event.prototype = {
 	constructor: jQuery.Event,
 	isDefaultPrevented: returnFalse,
 	isPropagationStopped: returnFalse,
 	isImmediatePropagationStopped: returnFalse,
+	isSimulated: false,
 
 	preventDefault: function() {
 		var e = this.originalEvent;
 
 		this.isDefaultPrevented = returnTrue;
-		if ( !e ) {
-			return;
-		}
 
-		// If preventDefault exists, run it on the original event
-		if ( e.preventDefault ) {
+		if ( e && !this.isSimulated ) {
 			e.preventDefault();
-
-		// Support: IE
-		// Otherwise set the returnValue property of the original event to false
-		} else {
-			e.returnValue = false;
 		}
 	},
 	stopPropagation: function() {
@@ -5583,25 +5779,16 @@ jQuery.Event.prototype = {
 
 		this.isPropagationStopped = returnTrue;
 
-		if ( !e || this.isSimulated ) {
-			return;
-		}
-
-		// If stopPropagation exists, run it on the original event
-		if ( e.stopPropagation ) {
+		if ( e && !this.isSimulated ) {
 			e.stopPropagation();
 		}
-
-		// Support: IE
-		// Set the cancelBubble property of the original event to true
-		e.cancelBubble = true;
 	},
 	stopImmediatePropagation: function() {
 		var e = this.originalEvent;
 
 		this.isImmediatePropagationStopped = returnTrue;
 
-		if ( e && e.stopImmediatePropagation ) {
+		if ( e && !this.isSimulated ) {
 			e.stopImmediatePropagation();
 		}
 
@@ -5609,13 +5796,81 @@ jQuery.Event.prototype = {
 	}
 };
 
+// Includes all common event props including KeyEvent and MouseEvent specific props
+jQuery.each( {
+	altKey: true,
+	bubbles: true,
+	cancelable: true,
+	changedTouches: true,
+	ctrlKey: true,
+	detail: true,
+	eventPhase: true,
+	metaKey: true,
+	pageX: true,
+	pageY: true,
+	shiftKey: true,
+	view: true,
+	"char": true,
+	code: true,
+	charCode: true,
+	key: true,
+	keyCode: true,
+	button: true,
+	buttons: true,
+	clientX: true,
+	clientY: true,
+	offsetX: true,
+	offsetY: true,
+	pointerId: true,
+	pointerType: true,
+	screenX: true,
+	screenY: true,
+	targetTouches: true,
+	toElement: true,
+	touches: true,
+	which: true
+}, jQuery.event.addProp );
+
+jQuery.each( { focus: "focusin", blur: "focusout" }, function( type, delegateType ) {
+	jQuery.event.special[ type ] = {
+
+		// Utilize native event if possible so blur/focus sequence is correct
+		setup: function() {
+
+			// Claim the first handler
+			// dataPriv.set( this, "focus", ... )
+			// dataPriv.set( this, "blur", ... )
+			leverageNative( this, type, expectSync );
+
+			// Return false to allow normal processing in the caller
+			return false;
+		},
+		trigger: function() {
+
+			// Force setup before trigger
+			leverageNative( this, type );
+
+			// Return non-false to allow normal event-path propagation
+			return true;
+		},
+
+		// Suppress native focus or blur as it's already being fired
+		// in leverageNative.
+		_default: function() {
+			return true;
+		},
+
+		delegateType: delegateType
+	};
+} );
+
 // Create mouseenter/leave events using mouseover/out and event-time checks
 // so that event delegation works in jQuery.
 // Do the same for pointerenter/pointerleave and pointerover/pointerout
 //
 // Support: Safari 7 only
 // Safari sends mouseenter too often; see:
-// https://code.google.com/p/chromium/issues/detail?id=470258
+// https://bugs.chromium.org/p/chromium/issues/detail?id=470258
 // for the description of the bug (it existed in older Chrome versions as well).
 jQuery.each( {
 	mouseenter: "mouseover",
@@ -5645,171 +5900,6 @@ jQuery.each( {
 	};
 } );
 
-// IE submit delegation
-if ( !support.submit ) {
-
-	jQuery.event.special.submit = {
-		setup: function() {
-
-			// Only need this for delegated form submit events
-			if ( jQuery.nodeName( this, "form" ) ) {
-				return false;
-			}
-
-			// Lazy-add a submit handler when a descendant form may potentially be submitted
-			jQuery.event.add( this, "click._submit keypress._submit", function( e ) {
-
-				// Node name check avoids a VML-related crash in IE (#9807)
-				var elem = e.target,
-					form = jQuery.nodeName( elem, "input" ) || jQuery.nodeName( elem, "button" ) ?
-
-						// Support: IE <=8
-						// We use jQuery.prop instead of elem.form
-						// to allow fixing the IE8 delegated submit issue (gh-2332)
-						// by 3rd party polyfills/workarounds.
-						jQuery.prop( elem, "form" ) :
-						undefined;
-
-				if ( form && !jQuery._data( form, "submit" ) ) {
-					jQuery.event.add( form, "submit._submit", function( event ) {
-						event._submitBubble = true;
-					} );
-					jQuery._data( form, "submit", true );
-				}
-			} );
-
-			// return undefined since we don't need an event listener
-		},
-
-		postDispatch: function( event ) {
-
-			// If form was submitted by the user, bubble the event up the tree
-			if ( event._submitBubble ) {
-				delete event._submitBubble;
-				if ( this.parentNode && !event.isTrigger ) {
-					jQuery.event.simulate( "submit", this.parentNode, event );
-				}
-			}
-		},
-
-		teardown: function() {
-
-			// Only need this for delegated form submit events
-			if ( jQuery.nodeName( this, "form" ) ) {
-				return false;
-			}
-
-			// Remove delegated handlers; cleanData eventually reaps submit handlers attached above
-			jQuery.event.remove( this, "._submit" );
-		}
-	};
-}
-
-// IE change delegation and checkbox/radio fix
-if ( !support.change ) {
-
-	jQuery.event.special.change = {
-
-		setup: function() {
-
-			if ( rformElems.test( this.nodeName ) ) {
-
-				// IE doesn't fire change on a check/radio until blur; trigger it on click
-				// after a propertychange. Eat the blur-change in special.change.handle.
-				// This still fires onchange a second time for check/radio after blur.
-				if ( this.type === "checkbox" || this.type === "radio" ) {
-					jQuery.event.add( this, "propertychange._change", function( event ) {
-						if ( event.originalEvent.propertyName === "checked" ) {
-							this._justChanged = true;
-						}
-					} );
-					jQuery.event.add( this, "click._change", function( event ) {
-						if ( this._justChanged && !event.isTrigger ) {
-							this._justChanged = false;
-						}
-
-						// Allow triggered, simulated change events (#11500)
-						jQuery.event.simulate( "change", this, event );
-					} );
-				}
-				return false;
-			}
-
-			// Delegated event; lazy-add a change handler on descendant inputs
-			jQuery.event.add( this, "beforeactivate._change", function( e ) {
-				var elem = e.target;
-
-				if ( rformElems.test( elem.nodeName ) && !jQuery._data( elem, "change" ) ) {
-					jQuery.event.add( elem, "change._change", function( event ) {
-						if ( this.parentNode && !event.isSimulated && !event.isTrigger ) {
-							jQuery.event.simulate( "change", this.parentNode, event );
-						}
-					} );
-					jQuery._data( elem, "change", true );
-				}
-			} );
-		},
-
-		handle: function( event ) {
-			var elem = event.target;
-
-			// Swallow native change events from checkbox/radio, we already triggered them above
-			if ( this !== elem || event.isSimulated || event.isTrigger ||
-				( elem.type !== "radio" && elem.type !== "checkbox" ) ) {
-
-				return event.handleObj.handler.apply( this, arguments );
-			}
-		},
-
-		teardown: function() {
-			jQuery.event.remove( this, "._change" );
-
-			return !rformElems.test( this.nodeName );
-		}
-	};
-}
-
-// Support: Firefox
-// Firefox doesn't have focus(in | out) events
-// Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
-//
-// Support: Chrome, Safari
-// focus(in | out) events fire after focus & blur events,
-// which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
-// Related ticket - https://code.google.com/p/chromium/issues/detail?id=449857
-if ( !support.focusin ) {
-	jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
-
-		// Attach a single capturing handler on the document while someone wants focusin/focusout
-		var handler = function( event ) {
-			jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );
-		};
-
-		jQuery.event.special[ fix ] = {
-			setup: function() {
-				var doc = this.ownerDocument || this,
-					attaches = jQuery._data( doc, fix );
-
-				if ( !attaches ) {
-					doc.addEventListener( orig, handler, true );
-				}
-				jQuery._data( doc, fix, ( attaches || 0 ) + 1 );
-			},
-			teardown: function() {
-				var doc = this.ownerDocument || this,
-					attaches = jQuery._data( doc, fix ) - 1;
-
-				if ( !attaches ) {
-					doc.removeEventListener( orig, handler, true );
-					jQuery._removeData( doc, fix );
-				} else {
-					jQuery._data( doc, fix, attaches );
-				}
-			}
-		};
-	} );
-}
-
 jQuery.fn.extend( {
 
 	on: function( types, selector, data, fn ) {
@@ -5853,154 +5943,88 @@ jQuery.fn.extend( {
 		return this.each( function() {
 			jQuery.event.remove( this, types, fn, selector );
 		} );
-	},
-
-	trigger: function( type, data ) {
-		return this.each( function() {
-			jQuery.event.trigger( type, data, this );
-		} );
-	},
-	triggerHandler: function( type, data ) {
-		var elem = this[ 0 ];
-		if ( elem ) {
-			return jQuery.event.trigger( type, data, elem, true );
-		}
 	}
 } );
 
 
-var rinlinejQuery = / jQuery\d+="(?:null|\d+)"/g,
-	rnoshimcache = new RegExp( "<(?:" + nodeNames + ")[\\s/>]", "i" ),
-	rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:-]+)[^>]*)\/>/gi,
+var
 
-	// Support: IE 10-11, Edge 10240+
+	// Support: IE <=10 - 11, Edge 12 - 13 only
 	// In IE/Edge using regex groups here causes severe slowdowns.
 	// See https://connect.microsoft.com/IE/feedback/details/1736512/
 	rnoInnerhtml = /<script|<style|<link/i,
 
 	// checked="checked" or checked
 	rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
-	rscriptTypeMasked = /^true\/(.*)/,
-	rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g,
-	safeFragment = createSafeFragment( document ),
-	fragmentDiv = safeFragment.appendChild( document.createElement( "div" ) );
+	rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;
 
-// Support: IE<8
-// Manipulating tables requires a tbody
+// Prefer a tbody over its parent table for containing new rows
 function manipulationTarget( elem, content ) {
-	return jQuery.nodeName( elem, "table" ) &&
-		jQuery.nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ?
+	if ( nodeName( elem, "table" ) &&
+		nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) {
 
-		elem.getElementsByTagName( "tbody" )[ 0 ] ||
-			elem.appendChild( elem.ownerDocument.createElement( "tbody" ) ) :
-		elem;
+		return jQuery( elem ).children( "tbody" )[ 0 ] || elem;
+	}
+
+	return elem;
 }
 
 // Replace/restore the type attribute of script elements for safe DOM manipulation
 function disableScript( elem ) {
-	elem.type = ( jQuery.find.attr( elem, "type" ) !== null ) + "/" + elem.type;
+	elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type;
 	return elem;
 }
 function restoreScript( elem ) {
-	var match = rscriptTypeMasked.exec( elem.type );
-	if ( match ) {
-		elem.type = match[ 1 ];
+	if ( ( elem.type || "" ).slice( 0, 5 ) === "true/" ) {
+		elem.type = elem.type.slice( 5 );
 	} else {
 		elem.removeAttribute( "type" );
 	}
+
 	return elem;
 }
 
 function cloneCopyEvent( src, dest ) {
-	if ( dest.nodeType !== 1 || !jQuery.hasData( src ) ) {
-		return;
-	}
-
-	var type, i, l,
-		oldData = jQuery._data( src ),
-		curData = jQuery._data( dest, oldData ),
-		events = oldData.events;
-
-	if ( events ) {
-		delete curData.handle;
-		curData.events = {};
-
-		for ( type in events ) {
-			for ( i = 0, l = events[ type ].length; i < l; i++ ) {
-				jQuery.event.add( dest, type, events[ type ][ i ] );
-			}
-		}
-	}
-
-	// make the cloned public data object a copy from the original
-	if ( curData.data ) {
-		curData.data = jQuery.extend( {}, curData.data );
-	}
-}
-
-function fixCloneNodeIssues( src, dest ) {
-	var nodeName, e, data;
+	var i, l, type, pdataOld, udataOld, udataCur, events;
 
-	// We do not need to do anything for non-Elements
 	if ( dest.nodeType !== 1 ) {
 		return;
 	}
 
-	nodeName = dest.nodeName.toLowerCase();
+	// 1. Copy private data: events, handlers, etc.
+	if ( dataPriv.hasData( src ) ) {
+		pdataOld = dataPriv.get( src );
+		events = pdataOld.events;
 
-	// IE6-8 copies events bound via attachEvent when using cloneNode.
-	if ( !support.noCloneEvent && dest[ jQuery.expando ] ) {
-		data = jQuery._data( dest );
+		if ( events ) {
+			dataPriv.remove( dest, "handle events" );
 
-		for ( e in data.events ) {
-			jQuery.removeEvent( dest, e, data.handle );
+			for ( type in events ) {
+				for ( i = 0, l = events[ type ].length; i < l; i++ ) {
+					jQuery.event.add( dest, type, events[ type ][ i ] );
+				}
+			}
 		}
-
-		// Event data gets referenced instead of copied if the expando gets copied too
-		dest.removeAttribute( jQuery.expando );
 	}
 
-	// IE blanks contents when cloning scripts, and tries to evaluate newly-set text
-	if ( nodeName === "script" && dest.text !== src.text ) {
-		disableScript( dest ).text = src.text;
-		restoreScript( dest );
-
-	// IE6-10 improperly clones children of object elements using classid.
-	// IE10 throws NoModificationAllowedError if parent is null, #12132.
-	} else if ( nodeName === "object" ) {
-		if ( dest.parentNode ) {
-			dest.outerHTML = src.outerHTML;
-		}
-
-		// This path appears unavoidable for IE9. When cloning an object
-		// element in IE9, the outerHTML strategy above is not sufficient.
-		// If the src has innerHTML and the destination does not,
-		// copy the src.innerHTML into the dest.innerHTML. #10324
-		if ( support.html5Clone && ( src.innerHTML && !jQuery.trim( dest.innerHTML ) ) ) {
-			dest.innerHTML = src.innerHTML;
-		}
-
-	} else if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
-
-		// IE6-8 fails to persist the checked state of a cloned checkbox
-		// or radio button. Worse, IE6-7 fail to give the cloned element
-		// a checked appearance if the defaultChecked value isn't also set
+	// 2. Copy user data
+	if ( dataUser.hasData( src ) ) {
+		udataOld = dataUser.access( src );
+		udataCur = jQuery.extend( {}, udataOld );
 
-		dest.defaultChecked = dest.checked = src.checked;
+		dataUser.set( dest, udataCur );
+	}
+}
 
-		// IE6-7 get confused and end up setting the value of a cloned
-		// checkbox/radio button to an empty string instead of "on"
-		if ( dest.value !== src.value ) {
-			dest.value = src.value;
-		}
+// Fix IE bugs, see support tests
+function fixInput( src, dest ) {
+	var nodeName = dest.nodeName.toLowerCase();
 
-	// IE6-8 fails to return the selected option to the default selected
-	// state when cloning options
-	} else if ( nodeName === "option" ) {
-		dest.defaultSelected = dest.selected = src.defaultSelected;
+	// Fails to persist the checked state of a cloned checkbox or radio button.
+	if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
+		dest.checked = src.checked;
 
-	// IE6-8 fails to set the defaultValue to the correct value when
-	// cloning other types of input fields
+	// Fails to return the selected option to the default selected state when cloning options
 	} else if ( nodeName === "input" || nodeName === "textarea" ) {
 		dest.defaultValue = src.defaultValue;
 	}
@@ -6009,23 +6033,22 @@ function fixCloneNodeIssues( src, dest ) {
 function domManip( collection, args, callback, ignored ) {
 
 	// Flatten any nested arrays
-	args = concat.apply( [], args );
+	args = flat( args );
 
-	var first, node, hasScripts,
-		scripts, doc, fragment,
+	var fragment, first, scripts, hasScripts, node, doc,
 		i = 0,
 		l = collection.length,
 		iNoClone = l - 1,
 		value = args[ 0 ],
-		isFunction = jQuery.isFunction( value );
+		valueIsFunction = isFunction( value );
 
 	// We can't cloneNode fragments that contain checked, in WebKit
-	if ( isFunction ||
+	if ( valueIsFunction ||
 			( l > 1 && typeof value === "string" &&
 				!support.checkClone && rchecked.test( value ) ) ) {
 		return collection.each( function( index ) {
 			var self = collection.eq( index );
-			if ( isFunction ) {
+			if ( valueIsFunction ) {
 				args[ 0 ] = value.call( this, index, self.html() );
 			}
 			domManip( self, args, callback, ignored );
@@ -6057,7 +6080,7 @@ function domManip( collection, args, callback, ignored ) {
 					// Keep references to cloned scripts for later restoration
 					if ( hasScripts ) {
 
-						// Support: Android<4.1, PhantomJS<2
+						// Support: Android <=4.0 only, PhantomJS 1 only
 						// push.apply(_, arraylike) throws on ancient WebKit
 						jQuery.merge( scripts, getAll( node, "script" ) );
 					}
@@ -6076,27 +6099,23 @@ function domManip( collection, args, callback, ignored ) {
 				for ( i = 0; i < hasScripts; i++ ) {
 					node = scripts[ i ];
 					if ( rscriptType.test( node.type || "" ) &&
-						!jQuery._data( node, "globalEval" ) &&
+						!dataPriv.access( node, "globalEval" ) &&
 						jQuery.contains( doc, node ) ) {
 
-						if ( node.src ) {
+						if ( node.src && ( node.type || "" ).toLowerCase()  !== "module" ) {
 
 							// Optional AJAX dependency, but won't run scripts if not present
-							if ( jQuery._evalUrl ) {
-								jQuery._evalUrl( node.src );
+							if ( jQuery._evalUrl && !node.noModule ) {
+								jQuery._evalUrl( node.src, {
+									nonce: node.nonce || node.getAttribute( "nonce" )
+								}, doc );
 							}
 						} else {
-							jQuery.globalEval(
-								( node.text || node.textContent || node.innerHTML || "" )
-									.replace( rcleanScript, "" )
-							);
+							DOMEval( node.textContent.replace( rcleanScript, "" ), node, doc );
 						}
 					}
 				}
 			}
-
-			// Fix #11809: Avoid leaking memory
-			fragment = first = null;
 		}
 	}
 
@@ -6105,17 +6124,16 @@ function domManip( collection, args, callback, ignored ) {
 
 function remove( elem, selector, keepData ) {
 	var node,
-		elems = selector ? jQuery.filter( selector, elem ) : elem,
+		nodes = selector ? jQuery.filter( selector, elem ) : elem,
 		i = 0;
 
-	for ( ; ( node = elems[ i ] ) != null; i++ ) {
-
+	for ( ; ( node = nodes[ i ] ) != null; i++ ) {
 		if ( !keepData && node.nodeType === 1 ) {
 			jQuery.cleanData( getAll( node ) );
 		}
 
 		if ( node.parentNode ) {
-			if ( keepData && jQuery.contains( node.ownerDocument, node ) ) {
+			if ( keepData && isAttached( node ) ) {
 				setGlobalEval( getAll( node, "script" ) );
 			}
 			node.parentNode.removeChild( node );
@@ -6127,38 +6145,24 @@ function remove( elem, selector, keepData ) {
 
 jQuery.extend( {
 	htmlPrefilter: function( html ) {
-		return html.replace( rxhtmlTag, "<$1></$2>" );
+		return html;
 	},
 
 	clone: function( elem, dataAndEvents, deepDataAndEvents ) {
-		var destElements, node, clone, i, srcElements,
-			inPage = jQuery.contains( elem.ownerDocument, elem );
-
-		if ( support.html5Clone || jQuery.isXMLDoc( elem ) ||
-			!rnoshimcache.test( "<" + elem.nodeName + ">" ) ) {
-
-			clone = elem.cloneNode( true );
-
-		// IE<=8 does not properly clone detached, unknown element nodes
-		} else {
-			fragmentDiv.innerHTML = elem.outerHTML;
-			fragmentDiv.removeChild( clone = fragmentDiv.firstChild );
-		}
+		var i, l, srcElements, destElements,
+			clone = elem.cloneNode( true ),
+			inPage = isAttached( elem );
 
-		if ( ( !support.noCloneEvent || !support.noCloneChecked ) &&
-				( elem.nodeType === 1 || elem.nodeType === 11 ) && !jQuery.isXMLDoc( elem ) ) {
+		// Fix IE cloning issues
+		if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&
+				!jQuery.isXMLDoc( elem ) ) {
 
-			// We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2
+			// We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2
 			destElements = getAll( clone );
 			srcElements = getAll( elem );
 
-			// Fix all IE cloning issues
-			for ( i = 0; ( node = srcElements[ i ] ) != null; ++i ) {
-
-				// Ensure that the destination node is not null; Fixes #9587
-				if ( destElements[ i ] ) {
-					fixCloneNodeIssues( node, destElements[ i ] );
-				}
+			for ( i = 0, l = srcElements.length; i < l; i++ ) {
+				fixInput( srcElements[ i ], destElements[ i ] );
 			}
 		}
 
@@ -6168,8 +6172,8 @@ jQuery.extend( {
 				srcElements = srcElements || getAll( elem );
 				destElements = destElements || getAll( clone );
 
-				for ( i = 0; ( node = srcElements[ i ] ) != null; i++ ) {
-					cloneCopyEvent( node, destElements[ i ] );
+				for ( i = 0, l = srcElements.length; i < l; i++ ) {
+					cloneCopyEvent( srcElements[ i ], destElements[ i ] );
 				}
 			} else {
 				cloneCopyEvent( elem, clone );
@@ -6182,27 +6186,18 @@ jQuery.extend( {
 			setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
 		}
 
-		destElements = srcElements = node = null;
-
 		// Return the cloned set
 		return clone;
 	},
 
-	cleanData: function( elems, /* internal */ forceAcceptData ) {
-		var elem, type, id, data,
-			i = 0,
-			internalKey = jQuery.expando,
-			cache = jQuery.cache,
-			attributes = support.attributes,
-			special = jQuery.event.special;
-
-		for ( ; ( elem = elems[ i ] ) != null; i++ ) {
-			if ( forceAcceptData || acceptData( elem ) ) {
-
-				id = elem[ internalKey ];
-				data = id && cache[ id ];
+	cleanData: function( elems ) {
+		var data, elem, type,
+			special = jQuery.event.special,
+			i = 0;
 
-				if ( data ) {
+		for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) {
+			if ( acceptData( elem ) ) {
+				if ( ( data = elem[ dataPriv.expando ] ) ) {
 					if ( data.events ) {
 						for ( type in data.events ) {
 							if ( special[ type ] ) {
@@ -6215,27 +6210,15 @@ jQuery.extend( {
 						}
 					}
 
-					// Remove cache only if it was not already removed by jQuery.event.remove
-					if ( cache[ id ] ) {
-
-						delete cache[ id ];
-
-						// Support: IE<9
-						// IE does not allow us to delete expando properties from nodes
-						// IE creates expando attributes along with the property
-						// IE does not have a removeAttribute function on Document nodes
-						if ( !attributes && typeof elem.removeAttribute !== "undefined" ) {
-							elem.removeAttribute( internalKey );
-
-						// Webkit & Blink performance suffers when deleting properties
-						// from DOM nodes, so set to undefined instead
-						// https://code.google.com/p/chromium/issues/detail?id=378607
-						} else {
-							elem[ internalKey ] = undefined;
-						}
+					// Support: Chrome <=35 - 45+
+					// Assign undefined instead of using delete, see Data#remove
+					elem[ dataPriv.expando ] = undefined;
+				}
+				if ( elem[ dataUser.expando ] ) {
 
-						deletedIds.push( id );
-					}
+					// Support: Chrome <=35 - 45+
+					// Assign undefined instead of using delete, see Data#remove
+					elem[ dataUser.expando ] = undefined;
 				}
 			}
 		}
@@ -6243,10 +6226,6 @@ jQuery.extend( {
 } );
 
 jQuery.fn.extend( {
-
-	// Keep domManip exposed until 3.0 (gh-2225)
-	domManip: domManip,
-
 	detach: function( selector ) {
 		return remove( this, selector, true );
 	},
@@ -6259,9 +6238,11 @@ jQuery.fn.extend( {
 		return access( this, function( value ) {
 			return value === undefined ?
 				jQuery.text( this ) :
-				this.empty().append(
-					( this[ 0 ] && this[ 0 ].ownerDocument || document ).createTextNode( value )
-				);
+				this.empty().each( function() {
+					if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
+						this.textContent = value;
+					}
+				} );
 		}, null, value, arguments.length );
 	},
 
@@ -6304,21 +6285,13 @@ jQuery.fn.extend( {
 			i = 0;
 
 		for ( ; ( elem = this[ i ] ) != null; i++ ) {
-
-			// Remove element nodes and prevent memory leaks
 			if ( elem.nodeType === 1 ) {
-				jQuery.cleanData( getAll( elem, false ) );
-			}
 
-			// Remove any remaining nodes
-			while ( elem.firstChild ) {
-				elem.removeChild( elem.firstChild );
-			}
+				// Prevent memory leaks
+				jQuery.cleanData( getAll( elem, false ) );
 
-			// If this is a select, ensure that it displays empty (#12336)
-			// Support: IE<9
-			if ( elem.options && jQuery.nodeName( elem, "select" ) ) {
-				elem.options.length = 0;
+				// Remove any remaining nodes
+				elem.textContent = "";
 			}
 		}
 
@@ -6340,25 +6313,21 @@ jQuery.fn.extend( {
 				i = 0,
 				l = this.length;
 
-			if ( value === undefined ) {
-				return elem.nodeType === 1 ?
-					elem.innerHTML.replace( rinlinejQuery, "" ) :
-					undefined;
+			if ( value === undefined && elem.nodeType === 1 ) {
+				return elem.innerHTML;
 			}
 
 			// See if we can take a shortcut and just use innerHTML
 			if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
-				( support.htmlSerialize || !rnoshimcache.test( value )  ) &&
-				( support.leadingWhitespace || !rleadingWhitespace.test( value ) ) &&
 				!wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {
 
 				value = jQuery.htmlPrefilter( value );
 
 				try {
 					for ( ; i < l; i++ ) {
+						elem = this[ i ] || {};
 
 						// Remove element nodes and prevent memory leaks
-						elem = this[ i ] || {};
 						if ( elem.nodeType === 1 ) {
 							jQuery.cleanData( getAll( elem, false ) );
 							elem.innerHTML = value;
@@ -6405,92 +6374,40 @@ jQuery.each( {
 }, function( name, original ) {
 	jQuery.fn[ name ] = function( selector ) {
 		var elems,
-			i = 0,
 			ret = [],
 			insert = jQuery( selector ),
-			last = insert.length - 1;
+			last = insert.length - 1,
+			i = 0;
 
 		for ( ; i <= last; i++ ) {
 			elems = i === last ? this : this.clone( true );
 			jQuery( insert[ i ] )[ original ]( elems );
 
-			// Modern browsers can apply jQuery collections as arrays, but oldIE needs a .get()
+			// Support: Android <=4.0 only, PhantomJS 1 only
+			// .get() because push.apply(_, arraylike) throws on ancient WebKit
 			push.apply( ret, elems.get() );
 		}
 
 		return this.pushStack( ret );
 	};
 } );
+var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
 
+var getStyles = function( elem ) {
 
-var iframe,
-	elemdisplay = {
-
-		// Support: Firefox
-		// We have to pre-define these values for FF (#10227)
-		HTML: "block",
-		BODY: "block"
-	};
-
-/**
- * Retrieve the actual display of a element
- * @param {String} name nodeName of the element
- * @param {Object} doc Document object
- */
-
-// Called only from within defaultDisplay
-function actualDisplay( name, doc ) {
-	var elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ),
-
-		display = jQuery.css( elem[ 0 ], "display" );
-
-	// We don't have any data stored on the element,
-	// so use "detach" method as fast way to get rid of the element
-	elem.detach();
-
-	return display;
-}
-
-/**
- * Try to determine the default display value of an element
- * @param {String} nodeName
- */
-function defaultDisplay( nodeName ) {
-	var doc = document,
-		display = elemdisplay[ nodeName ];
-
-	if ( !display ) {
-		display = actualDisplay( nodeName, doc );
-
-		// If the simple way fails, read from inside an iframe
-		if ( display === "none" || !display ) {
-
-			// Use the already-created iframe if possible
-			iframe = ( iframe || jQuery( "<iframe frameborder='0' width='0' height='0'/>" ) )
-				.appendTo( doc.documentElement );
-
-			// Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse
-			doc = ( iframe[ 0 ].contentWindow || iframe[ 0 ].contentDocument ).document;
-
-			// Support: IE
-			doc.write();
-			doc.close();
+		// Support: IE <=11 only, Firefox <=30 (#15098, #14150)
+		// IE throws on elements created in popups
+		// FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
+		var view = elem.ownerDocument.defaultView;
 
-			display = actualDisplay( nodeName, doc );
-			iframe.detach();
+		if ( !view || !view.opener ) {
+			view = window;
 		}
 
-		// Store the correct default display
-		elemdisplay[ nodeName ] = display;
-	}
-
-	return display;
-}
-var rmargin = ( /^margin/ );
-
-var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
+		return view.getComputedStyle( elem );
+	};
 
-var swap = function( elem, options, callback, args ) {
+var swap = function( elem, options, callback ) {
 	var ret, name,
 		old = {};
 
@@ -6500,7 +6417,7 @@ var swap = function( elem, options, callback, args ) {
 		elem.style[ name ] = options[ name ];
 	}
 
-	ret = callback.apply( elem, args || [] );
+	ret = callback.call( elem );
 
 	// Revert the old values
 	for ( name in options ) {
@@ -6511,13 +6428,64 @@ var swap = function( elem, options, callback, args ) {
 };
 
 
-var documentElement = document.documentElement;
+var rboxStyle = new RegExp( cssExpand.join( "|" ), "i" );
 
 
 
 ( function() {
-	var pixelPositionVal, pixelMarginRightVal, boxSizingReliableVal,
-		reliableHiddenOffsetsVal, reliableMarginRightVal, reliableMarginLeftVal,
+
+	// Executing both pixelPosition & boxSizingReliable tests require only one layout
+	// so they're executed at the same time to save the second computation.
+	function computeStyleTests() {
+
+		// This is a singleton, we need to execute it only once
+		if ( !div ) {
+			return;
+		}
+
+		container.style.cssText = "position:absolute;left:-11111px;width:60px;" +
+			"margin-top:1px;padding:0;border:0";
+		div.style.cssText =
+			"position:relative;display:block;box-sizing:border-box;overflow:scroll;" +
+			"margin:auto;border:1px;padding:1px;" +
+			"width:60%;top:1%";
+		documentElement.appendChild( container ).appendChild( div );
+
+		var divStyle = window.getComputedStyle( div );
+		pixelPositionVal = divStyle.top !== "1%";
+
+		// Support: Android 4.0 - 4.3 only, Firefox <=3 - 44
+		reliableMarginLeftVal = roundPixelMeasures( divStyle.marginLeft ) === 12;
+
+		// Support: Android 4.0 - 4.3 only, Safari <=9.1 - 10.1, iOS <=7.0 - 9.3
+		// Some styles come back with percentage values, even though they shouldn't
+		div.style.right = "60%";
+		pixelBoxStylesVal = roundPixelMeasures( divStyle.right ) === 36;
+
+		// Support: IE 9 - 11 only
+		// Detect misreporting of content dimensions for box-sizing:border-box elements
+		boxSizingReliableVal = roundPixelMeasures( divStyle.width ) === 36;
+
+		// Support: IE 9 only
+		// Detect overflow:scroll screwiness (gh-3699)
+		// Support: Chrome <=64
+		// Don't get tricked when zoom affects offsetWidth (gh-4029)
+		div.style.position = "absolute";
+		scrollboxSizeVal = roundPixelMeasures( div.offsetWidth / 3 ) === 12;
+
+		documentElement.removeChild( container );
+
+		// Nullify the div so it wouldn't be stored in the memory and
+		// it will also be a sign that checks already performed
+		div = null;
+	}
+
+	function roundPixelMeasures( measure ) {
+		return Math.round( parseFloat( measure ) );
+	}
+
+	var pixelPositionVal, boxSizingReliableVal, scrollboxSizeVal, pixelBoxStylesVal,
+		reliableTrDimensionsVal, reliableMarginLeftVal,
 		container = document.createElement( "div" ),
 		div = document.createElement( "div" );
 
@@ -6526,296 +6494,138 @@ var documentElement = document.documentElement;
 		return;
 	}
 
-	div.style.cssText = "float:left;opacity:.5";
-
-	// Support: IE<9
-	// Make sure that element opacity exists (as opposed to filter)
-	support.opacity = div.style.opacity === "0.5";
-
-	// Verify style float existence
-	// (IE uses styleFloat instead of cssFloat)
-	support.cssFloat = !!div.style.cssFloat;
-
+	// Support: IE <=9 - 11 only
+	// Style of cloned element affects source element cloned (#8908)
 	div.style.backgroundClip = "content-box";
 	div.cloneNode( true ).style.backgroundClip = "";
 	support.clearCloneStyle = div.style.backgroundClip === "content-box";
 
-	container = document.createElement( "div" );
-	container.style.cssText = "border:0;width:8px;height:0;top:0;left:-9999px;" +
-		"padding:0;margin-top:1px;position:absolute";
-	div.innerHTML = "";
-	container.appendChild( div );
-
-	// Support: Firefox<29, Android 2.3
-	// Vendor-prefix box-sizing
-	support.boxSizing = div.style.boxSizing === "" || div.style.MozBoxSizing === "" ||
-		div.style.WebkitBoxSizing === "";
-
 	jQuery.extend( support, {
-		reliableHiddenOffsets: function() {
-			if ( pixelPositionVal == null ) {
-				computeStyleTests();
-			}
-			return reliableHiddenOffsetsVal;
-		},
-
 		boxSizingReliable: function() {
-
-			// We're checking for pixelPositionVal here instead of boxSizingReliableVal
-			// since that compresses better and they're computed together anyway.
-			if ( pixelPositionVal == null ) {
-				computeStyleTests();
-			}
+			computeStyleTests();
 			return boxSizingReliableVal;
 		},
-
-		pixelMarginRight: function() {
-
-			// Support: Android 4.0-4.3
-			if ( pixelPositionVal == null ) {
-				computeStyleTests();
-			}
-			return pixelMarginRightVal;
+		pixelBoxStyles: function() {
+			computeStyleTests();
+			return pixelBoxStylesVal;
 		},
-
 		pixelPosition: function() {
-			if ( pixelPositionVal == null ) {
-				computeStyleTests();
-			}
+			computeStyleTests();
 			return pixelPositionVal;
 		},
-
-		reliableMarginRight: function() {
-
-			// Support: Android 2.3
-			if ( pixelPositionVal == null ) {
-				computeStyleTests();
-			}
-			return reliableMarginRightVal;
-		},
-
 		reliableMarginLeft: function() {
-
-			// Support: IE <=8 only, Android 4.0 - 4.3 only, Firefox <=3 - 37
-			if ( pixelPositionVal == null ) {
-				computeStyleTests();
-			}
+			computeStyleTests();
 			return reliableMarginLeftVal;
+		},
+		scrollboxSize: function() {
+			computeStyleTests();
+			return scrollboxSizeVal;
+		},
+
+		// Support: IE 9 - 11+, Edge 15 - 18+
+		// IE/Edge misreport `getComputedStyle` of table rows with width/height
+		// set in CSS while `offset*` properties report correct values.
+		// Behavior in IE 9 is more subtle than in newer versions & it passes
+		// some versions of this test; make sure not to make it pass there!
+		//
+		// Support: Firefox 70+
+		// Only Firefox includes border widths
+		// in computed dimensions. (gh-4529)
+		reliableTrDimensions: function() {
+			var table, tr, trChild, trStyle;
+			if ( reliableTrDimensionsVal == null ) {
+				table = document.createElement( "table" );
+				tr = document.createElement( "tr" );
+				trChild = document.createElement( "div" );
+
+				table.style.cssText = "position:absolute;left:-11111px;border-collapse:separate";
+				tr.style.cssText = "border:1px solid";
+
+				// Support: Chrome 86+
+				// Height set through cssText does not get applied.
+				// Computed height then comes back as 0.
+				tr.style.height = "1px";
+				trChild.style.height = "9px";
+
+				// Support: Android 8 Chrome 86+
+				// In our bodyBackground.html iframe,
+				// display for all div elements is set to "inline",
+				// which causes a problem only in Android 8 Chrome 86.
+				// Ensuring the div is display: block
+				// gets around this issue.
+				trChild.style.display = "block";
+
+				documentElement
+					.appendChild( table )
+					.appendChild( tr )
+					.appendChild( trChild );
+
+				trStyle = window.getComputedStyle( tr );
+				reliableTrDimensionsVal = ( parseInt( trStyle.height, 10 ) +
+					parseInt( trStyle.borderTopWidth, 10 ) +
+					parseInt( trStyle.borderBottomWidth, 10 ) ) === tr.offsetHeight;
+
+				documentElement.removeChild( table );
+			}
+			return reliableTrDimensionsVal;
 		}
 	} );
-
-	function computeStyleTests() {
-		var contents, divStyle,
-			documentElement = document.documentElement;
-
-		// Setup
-		documentElement.appendChild( container );
-
-		div.style.cssText =
-
-			// Support: Android 2.3
-			// Vendor-prefix box-sizing
-			"-webkit-box-sizing:border-box;box-sizing:border-box;" +
-			"position:relative;display:block;" +
-			"margin:auto;border:1px;padding:1px;" +
-			"top:1%;width:50%";
-
-		// Support: IE<9
-		// Assume reasonable values in the absence of getComputedStyle
-		pixelPositionVal = boxSizingReliableVal = reliableMarginLeftVal = false;
-		pixelMarginRightVal = reliableMarginRightVal = true;
-
-		// Check for getComputedStyle so that this code is not run in IE<9.
-		if ( window.getComputedStyle ) {
-			divStyle = window.getComputedStyle( div );
-			pixelPositionVal = ( divStyle || {} ).top !== "1%";
-			reliableMarginLeftVal = ( divStyle || {} ).marginLeft === "2px";
-			boxSizingReliableVal = ( divStyle || { width: "4px" } ).width === "4px";
-
-			// Support: Android 4.0 - 4.3 only
-			// Some styles come back with percentage values, even though they shouldn't
-			div.style.marginRight = "50%";
-			pixelMarginRightVal = ( divStyle || { marginRight: "4px" } ).marginRight === "4px";
-
-			// Support: Android 2.3 only
-			// Div with explicit width and no margin-right incorrectly
-			// gets computed margin-right based on width of container (#3333)
-			// WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
-			contents = div.appendChild( document.createElement( "div" ) );
-
-			// Reset CSS: box-sizing; display; margin; border; padding
-			contents.style.cssText = div.style.cssText =
-
-				// Support: Android 2.3
-				// Vendor-prefix box-sizing
-				"-webkit-box-sizing:content-box;-moz-box-sizing:content-box;" +
-				"box-sizing:content-box;display:block;margin:0;border:0;padding:0";
-			contents.style.marginRight = contents.style.width = "0";
-			div.style.width = "1px";
-
-			reliableMarginRightVal =
-				!parseFloat( ( window.getComputedStyle( contents ) || {} ).marginRight );
-
-			div.removeChild( contents );
-		}
-
-		// Support: IE6-8
-		// First check that getClientRects works as expected
-		// Check if table cells still have offsetWidth/Height when they are set
-		// to display:none and there are still other visible table cells in a
-		// table row; if so, offsetWidth/Height are not reliable for use when
-		// determining if an element has been hidden directly using
-		// display:none (it is still safe to use offsets if a parent element is
-		// hidden; don safety goggles and see bug #4512 for more information).
-		div.style.display = "none";
-		reliableHiddenOffsetsVal = div.getClientRects().length === 0;
-		if ( reliableHiddenOffsetsVal ) {
-			div.style.display = "";
-			div.innerHTML = "<table><tr><td></td><td>t</td></tr></table>";
-			div.childNodes[ 0 ].style.borderCollapse = "separate";
-			contents = div.getElementsByTagName( "td" );
-			contents[ 0 ].style.cssText = "margin:0;border:0;padding:0;display:none";
-			reliableHiddenOffsetsVal = contents[ 0 ].offsetHeight === 0;
-			if ( reliableHiddenOffsetsVal ) {
-				contents[ 0 ].style.display = "";
-				contents[ 1 ].style.display = "none";
-				reliableHiddenOffsetsVal = contents[ 0 ].offsetHeight === 0;
-			}
-		}
-
-		// Teardown
-		documentElement.removeChild( container );
-	}
-
 } )();
 
 
-var getStyles, curCSS,
-	rposition = /^(top|right|bottom|left)$/;
-
-if ( window.getComputedStyle ) {
-	getStyles = function( elem ) {
-
-		// Support: IE<=11+, Firefox<=30+ (#15098, #14150)
-		// IE throws on elements created in popups
-		// FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
-		var view = elem.ownerDocument.defaultView;
-
-		if ( !view || !view.opener ) {
-			view = window;
-		}
-
-		return view.getComputedStyle( elem );
-	};
+function curCSS( elem, name, computed ) {
+	var width, minWidth, maxWidth, ret,
 
-	curCSS = function( elem, name, computed ) {
-		var width, minWidth, maxWidth, ret,
-			style = elem.style;
+		// Support: Firefox 51+
+		// Retrieving style before computed somehow
+		// fixes an issue with getting wrong values
+		// on detached elements
+		style = elem.style;
 
-		computed = computed || getStyles( elem );
+	computed = computed || getStyles( elem );
 
-		// getPropertyValue is only needed for .css('filter') in IE9, see #12537
-		ret = computed ? computed.getPropertyValue( name ) || computed[ name ] : undefined;
+	// getPropertyValue is needed for:
+	//   .css('filter') (IE 9 only, #12537)
+	//   .css('--customProperty) (#3144)
+	if ( computed ) {
+		ret = computed.getPropertyValue( name ) || computed[ name ];
 
-		// Support: Opera 12.1x only
-		// Fall back to style even without computed
-		// computed is undefined for elems on document fragments
-		if ( ( ret === "" || ret === undefined ) && !jQuery.contains( elem.ownerDocument, elem ) ) {
+		if ( ret === "" && !isAttached( elem ) ) {
 			ret = jQuery.style( elem, name );
 		}
 
-		if ( computed ) {
-
-			// A tribute to the "awesome hack by Dean Edwards"
-			// Chrome < 17 and Safari 5.0 uses "computed value"
-			// instead of "used value" for margin-right
-			// Safari 5.1.7 (at least) returns percentage for a larger set of values,
-			// but width seems to be reliably pixels
-			// this is against the CSSOM draft spec:
-			// http://dev.w3.org/csswg/cssom/#resolved-values
-			if ( !support.pixelMarginRight() && rnumnonpx.test( ret ) && rmargin.test( name ) ) {
-
-				// Remember the original values
-				width = style.width;
-				minWidth = style.minWidth;
-				maxWidth = style.maxWidth;
-
-				// Put in the new values to get a computed value out
-				style.minWidth = style.maxWidth = style.width = ret;
-				ret = computed.width;
-
-				// Revert the changed values
-				style.width = width;
-				style.minWidth = minWidth;
-				style.maxWidth = maxWidth;
-			}
-		}
-
-		// Support: IE
-		// IE returns zIndex value as an integer.
-		return ret === undefined ?
-			ret :
-			ret + "";
-	};
-} else if ( documentElement.currentStyle ) {
-	getStyles = function( elem ) {
-		return elem.currentStyle;
-	};
-
-	curCSS = function( elem, name, computed ) {
-		var left, rs, rsLeft, ret,
-			style = elem.style;
-
-		computed = computed || getStyles( elem );
-		ret = computed ? computed[ name ] : undefined;
-
-		// Avoid setting ret to empty string here
-		// so we don't default to auto
-		if ( ret == null && style && style[ name ] ) {
-			ret = style[ name ];
-		}
-
-		// From the awesome hack by Dean Edwards
-		// http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
-
-		// If we're not dealing with a regular pixel number
-		// but a number that has a weird ending, we need to convert it to pixels
-		// but not position css attributes, as those are
-		// proportional to the parent element instead
-		// and we can't measure the parent instead because it
-		// might trigger a "stacking dolls" problem
-		if ( rnumnonpx.test( ret ) && !rposition.test( name ) ) {
+		// A tribute to the "awesome hack by Dean Edwards"
+		// Android Browser returns percentage for some values,
+		// but width seems to be reliably pixels.
+		// This is against the CSSOM draft spec:
+		// https://drafts.csswg.org/cssom/#resolved-values
+		if ( !support.pixelBoxStyles() && rnumnonpx.test( ret ) && rboxStyle.test( name ) ) {
 
 			// Remember the original values
-			left = style.left;
-			rs = elem.runtimeStyle;
-			rsLeft = rs && rs.left;
+			width = style.width;
+			minWidth = style.minWidth;
+			maxWidth = style.maxWidth;
 
 			// Put in the new values to get a computed value out
-			if ( rsLeft ) {
-				rs.left = elem.currentStyle.left;
-			}
-			style.left = name === "fontSize" ? "1em" : ret;
-			ret = style.pixelLeft + "px";
+			style.minWidth = style.maxWidth = style.width = ret;
+			ret = computed.width;
 
 			// Revert the changed values
-			style.left = left;
-			if ( rsLeft ) {
-				rs.left = rsLeft;
-			}
+			style.width = width;
+			style.minWidth = minWidth;
+			style.maxWidth = maxWidth;
 		}
+	}
+
+	return ret !== undefined ?
 
-		// Support: IE
+		// Support: IE <=9 - 11 only
 		// IE returns zIndex value as an integer.
-		return ret === undefined ?
-			ret :
-			ret + "" || "auto";
-	};
+		ret + "" :
+		ret;
 }
 
 
-
-
 function addGetHookIf( conditionFn, hookFn ) {
 
 	// Define the hook, we'll check on the first run if it's really needed.
@@ -6836,38 +6646,15 @@ function addGetHookIf( conditionFn, hookFn ) {
 }
 
 
-var
-
-		ralpha = /alpha\([^)]*\)/i,
-	ropacity = /opacity\s*=\s*([^)]*)/i,
+var cssPrefixes = [ "Webkit", "Moz", "ms" ],
+	emptyStyle = document.createElement( "div" ).style,
+	vendorProps = {};
 
-	// swappable if display is none or starts with table except
-	// "table", "table-cell", or "table-caption"
-	// see here for display values:
-	// https://developer.mozilla.org/en-US/docs/CSS/display
-	rdisplayswap = /^(none|table(?!-c[ea]).+)/,
-	rnumsplit = new RegExp( "^(" + pnum + ")(.*)$", "i" ),
-
-	cssShow = { position: "absolute", visibility: "hidden", display: "block" },
-	cssNormalTransform = {
-		letterSpacing: "0",
-		fontWeight: "400"
-	},
-
-	cssPrefixes = [ "Webkit", "O", "Moz", "ms" ],
-	emptyStyle = document.createElement( "div" ).style;
-
-
-// return a css property mapped to a potentially vendor prefixed property
+// Return a vendor-prefixed property or undefined
 function vendorPropName( name ) {
 
-	// shortcut for names that are not vendor prefixed
-	if ( name in emptyStyle ) {
-		return name;
-	}
-
-	// check for vendor prefixed names
-	var capName = name.charAt( 0 ).toUpperCase() + name.slice( 1 ),
+	// Check for vendor prefixed names
+	var capName = name[ 0 ].toUpperCase() + name.slice( 1 ),
 		i = cssPrefixes.length;
 
 	while ( i-- ) {
@@ -6878,158 +6665,185 @@ function vendorPropName( name ) {
 	}
 }
 
-function showHide( elements, show ) {
-	var display, elem, hidden,
-		values = [],
-		index = 0,
-		length = elements.length;
+// Return a potentially-mapped jQuery.cssProps or vendor prefixed property
+function finalPropName( name ) {
+	var final = jQuery.cssProps[ name ] || vendorProps[ name ];
 
-	for ( ; index < length; index++ ) {
-		elem = elements[ index ];
-		if ( !elem.style ) {
-			continue;
-		}
-
-		values[ index ] = jQuery._data( elem, "olddisplay" );
-		display = elem.style.display;
-		if ( show ) {
-
-			// Reset the inline display of this element to learn if it is
-			// being hidden by cascaded rules or not
-			if ( !values[ index ] && display === "none" ) {
-				elem.style.display = "";
-			}
+	if ( final ) {
+		return final;
+	}
+	if ( name in emptyStyle ) {
+		return name;
+	}
+	return vendorProps[ name ] = vendorPropName( name ) || name;
+}
 
-			// Set elements which have been overridden with display: none
-			// in a stylesheet to whatever the default browser style is
-			// for such an element
-			if ( elem.style.display === "" && isHidden( elem ) ) {
-				values[ index ] =
-					jQuery._data( elem, "olddisplay", defaultDisplay( elem.nodeName ) );
-			}
-		} else {
-			hidden = isHidden( elem );
 
-			if ( display && display !== "none" || !hidden ) {
-				jQuery._data(
-					elem,
-					"olddisplay",
-					hidden ? display : jQuery.css( elem, "display" )
-				);
-			}
-		}
-	}
+var
 
-	// Set the display of most of the elements in a second loop
-	// to avoid the constant reflow
-	for ( index = 0; index < length; index++ ) {
-		elem = elements[ index ];
-		if ( !elem.style ) {
-			continue;
-		}
-		if ( !show || elem.style.display === "none" || elem.style.display === "" ) {
-			elem.style.display = show ? values[ index ] || "" : "none";
-		}
-	}
+	// Swappable if display is none or starts with table
+	// except "table", "table-cell", or "table-caption"
+	// See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
+	rdisplayswap = /^(none|table(?!-c[ea]).+)/,
+	rcustomProp = /^--/,
+	cssShow = { position: "absolute", visibility: "hidden", display: "block" },
+	cssNormalTransform = {
+		letterSpacing: "0",
+		fontWeight: "400"
+	};
 
-	return elements;
-}
+function setPositiveNumber( _elem, value, subtract ) {
 
-function setPositiveNumber( elem, value, subtract ) {
-	var matches = rnumsplit.exec( value );
+	// Any relative (+/-) values have already been
+	// normalized at this point
+	var matches = rcssNum.exec( value );
 	return matches ?
 
 		// Guard against undefined "subtract", e.g., when used as in cssHooks
-		Math.max( 0, matches[ 1 ] - ( subtract || 0 ) ) + ( matches[ 2 ] || "px" ) :
+		Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) :
 		value;
 }
 
-function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) {
-	var i = extra === ( isBorderBox ? "border" : "content" ) ?
-
-		// If we already have the right measurement, avoid augmentation
-		4 :
-
-		// Otherwise initialize for horizontal or vertical properties
-		name === "width" ? 1 : 0,
+function boxModelAdjustment( elem, dimension, box, isBorderBox, styles, computedVal ) {
+	var i = dimension === "width" ? 1 : 0,
+		extra = 0,
+		delta = 0;
 
-		val = 0;
+	// Adjustment may not be necessary
+	if ( box === ( isBorderBox ? "border" : "content" ) ) {
+		return 0;
+	}
 
 	for ( ; i < 4; i += 2 ) {
 
-		// both box models exclude margin, so add it if we want it
-		if ( extra === "margin" ) {
-			val += jQuery.css( elem, extra + cssExpand[ i ], true, styles );
+		// Both box models exclude margin
+		if ( box === "margin" ) {
+			delta += jQuery.css( elem, box + cssExpand[ i ], true, styles );
 		}
 
-		if ( isBorderBox ) {
+		// If we get here with a content-box, we're seeking "padding" or "border" or "margin"
+		if ( !isBorderBox ) {
 
-			// border-box includes padding, so remove it if we want content
-			if ( extra === "content" ) {
-				val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
-			}
+			// Add padding
+			delta += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
+
+			// For "border" or "margin", add border
+			if ( box !== "padding" ) {
+				delta += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
 
-			// at this point, extra isn't border nor margin, so remove border
-			if ( extra !== "margin" ) {
-				val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
+			// But still keep track of it otherwise
+			} else {
+				extra += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
 			}
+
+		// If we get here with a border-box (content + padding + border), we're seeking "content" or
+		// "padding" or "margin"
 		} else {
 
-			// at this point, extra isn't content, so add padding
-			val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
+			// For "content", subtract padding
+			if ( box === "content" ) {
+				delta -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
+			}
 
-			// at this point, extra isn't content nor padding, so add border
-			if ( extra !== "padding" ) {
-				val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
+			// For "content" or "padding", subtract border
+			if ( box !== "margin" ) {
+				delta -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
 			}
 		}
 	}
 
-	return val;
+	// Account for positive content-box scroll gutter when requested by providing computedVal
+	if ( !isBorderBox && computedVal >= 0 ) {
+
+		// offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border
+		// Assuming integer scroll gutter, subtract the rest and round down
+		delta += Math.max( 0, Math.ceil(
+			elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
+			computedVal -
+			delta -
+			extra -
+			0.5
+
+		// If offsetWidth/offsetHeight is unknown, then we can't determine content-box scroll gutter
+		// Use an explicit zero to avoid NaN (gh-3964)
+		) ) || 0;
+	}
+
+	return delta;
 }
 
-function getWidthOrHeight( elem, name, extra ) {
+function getWidthOrHeight( elem, dimension, extra ) {
 
-	// Start with offset property, which is equivalent to the border-box value
-	var valueIsBorderBox = true,
-		val = name === "width" ? elem.offsetWidth : elem.offsetHeight,
-		styles = getStyles( elem ),
-		isBorderBox = support.boxSizing &&
-			jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
+	// Start with computed style
+	var styles = getStyles( elem ),
 
-	// some non-html elements return undefined for offsetWidth, so check for null/undefined
-	// svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285
-	// MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668
-	if ( val <= 0 || val == null ) {
+		// To avoid forcing a reflow, only fetch boxSizing if we need it (gh-4322).
+		// Fake content-box until we know it's needed to know the true value.
+		boxSizingNeeded = !support.boxSizingReliable() || extra,
+		isBorderBox = boxSizingNeeded &&
+			jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
+		valueIsBorderBox = isBorderBox,
 
-		// Fall back to computed then uncomputed css if necessary
-		val = curCSS( elem, name, styles );
-		if ( val < 0 || val == null ) {
-			val = elem.style[ name ];
-		}
+		val = curCSS( elem, dimension, styles ),
+		offsetProp = "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 );
 
-		// Computed unit is not pixels. Stop here and return.
-		if ( rnumnonpx.test( val ) ) {
+	// Support: Firefox <=54
+	// Return a confounding non-pixel value or feign ignorance, as appropriate.
+	if ( rnumnonpx.test( val ) ) {
+		if ( !extra ) {
 			return val;
 		}
+		val = "auto";
+	}
+
+
+	// Support: IE 9 - 11 only
+	// Use offsetWidth/offsetHeight for when box sizing is unreliable.
+	// In those cases, the computed value can be trusted to be border-box.
+	if ( ( !support.boxSizingReliable() && isBorderBox ||
+
+		// Support: IE 10 - 11+, Edge 15 - 18+
+		// IE/Edge misreport `getComputedStyle` of table rows with width/height
+		// set in CSS while `offset*` properties report correct values.
+		// Interestingly, in some cases IE 9 doesn't suffer from this issue.
+		!support.reliableTrDimensions() && nodeName( elem, "tr" ) ||
+
+		// Fall back to offsetWidth/offsetHeight when value is "auto"
+		// This happens for inline elements with no explicit setting (gh-3571)
+		val === "auto" ||
+
+		// Support: Android <=4.1 - 4.3 only
+		// Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602)
+		!parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) &&
 
-		// we need the check for style in case a browser which returns unreliable values
-		// for getComputedStyle silently falls back to the reliable elem.style
-		valueIsBorderBox = isBorderBox &&
-			( support.boxSizingReliable() || val === elem.style[ name ] );
+		// Make sure the element is visible & connected
+		elem.getClientRects().length ) {
 
-		// Normalize "", auto, and prepare for extra
-		val = parseFloat( val ) || 0;
+		isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
+
+		// Where available, offsetWidth/offsetHeight approximate border box dimensions.
+		// Where not available (e.g., SVG), assume unreliable box-sizing and interpret the
+		// retrieved value as a content box dimension.
+		valueIsBorderBox = offsetProp in elem;
+		if ( valueIsBorderBox ) {
+			val = elem[ offsetProp ];
+		}
 	}
 
-	// use the active box-sizing model to add/subtract irrelevant styles
+	// Normalize "" and auto
+	val = parseFloat( val ) || 0;
+
+	// Adjust for the element's box model
 	return ( val +
-		augmentWidthOrHeight(
+		boxModelAdjustment(
 			elem,
-			name,
+			dimension,
 			extra || ( isBorderBox ? "border" : "content" ),
 			valueIsBorderBox,
-			styles
+			styles,
+
+			// Provide the current computed size to request scroll gutter calculation (gh-3589)
+			val
 		)
 	) + "px";
 }
@@ -7059,6 +6873,13 @@ jQuery.extend( {
 		"flexGrow": true,
 		"flexShrink": true,
 		"fontWeight": true,
+		"gridArea": true,
+		"gridColumn": true,
+		"gridColumnEnd": true,
+		"gridColumnStart": true,
+		"gridRow": true,
+		"gridRowEnd": true,
+		"gridRowStart": true,
 		"lineHeight": true,
 		"opacity": true,
 		"order": true,
@@ -7070,11 +6891,7 @@ jQuery.extend( {
 
 	// Add in properties whose names you wish to fix before
 	// setting or getting the value
-	cssProps: {
-
-		// normalize float css property
-		"float": support.cssFloat ? "cssFloat" : "styleFloat"
-	},
+	cssProps: {},
 
 	// Get and set the style property on a DOM Node
 	style: function( elem, name, value, extra ) {
@@ -7086,14 +6903,18 @@ jQuery.extend( {
 
 		// Make sure that we're working with the right name
 		var ret, type, hooks,
-			origName = jQuery.camelCase( name ),
+			origName = camelCase( name ),
+			isCustomProp = rcustomProp.test( name ),
 			style = elem.style;
 
-		name = jQuery.cssProps[ origName ] ||
-			( jQuery.cssProps[ origName ] = vendorPropName( origName ) || origName );
+		// Make sure that we're working with the right name. We don't
+		// want to query the value if it is a CSS custom property
+		// since they are user-defined.
+		if ( !isCustomProp ) {
+			name = finalPropName( origName );
+		}
 
-		// gets hook for the prefixed version
-		// followed by the unprefixed version
+		// Gets hook for the prefixed version, then unprefixed version
 		hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
 
 		// Check if we're setting a value
@@ -7108,19 +6929,19 @@ jQuery.extend( {
 				type = "number";
 			}
 
-			// Make sure that null and NaN values aren't set. See: #7116
+			// Make sure that null and NaN values aren't set (#7116)
 			if ( value == null || value !== value ) {
 				return;
 			}
 
 			// If a number was passed in, add the unit (except for certain CSS properties)
-			if ( type === "number" ) {
+			// The isCustomProp check can be removed in jQuery 4.0 when we only auto-append
+			// "px" to a few hardcoded values.
+			if ( type === "number" && !isCustomProp ) {
 				value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" );
 			}
 
-			// Fixes #8908, it can be done more correctly by specifing setters in cssHooks,
-			// but it would mean to define eight
-			// (for every problematic property) identical functions
+			// background-* props affect original clone's values
 			if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) {
 				style[ name ] = "inherit";
 			}
@@ -7129,11 +6950,11 @@ jQuery.extend( {
 			if ( !hooks || !( "set" in hooks ) ||
 				( value = hooks.set( elem, value, extra ) ) !== undefined ) {
 
-				// Support: IE
-				// Swallow errors from 'invalid' CSS values (#5509)
-				try {
+				if ( isCustomProp ) {
+					style.setProperty( name, value );
+				} else {
 					style[ name ] = value;
-				} catch ( e ) {}
+				}
 			}
 
 		} else {
@@ -7151,15 +6972,18 @@ jQuery.extend( {
 	},
 
 	css: function( elem, name, extra, styles ) {
-		var num, val, hooks,
-			origName = jQuery.camelCase( name );
+		var val, num, hooks,
+			origName = camelCase( name ),
+			isCustomProp = rcustomProp.test( name );
 
-		// Make sure that we're working with the right name
-		name = jQuery.cssProps[ origName ] ||
-			( jQuery.cssProps[ origName ] = vendorPropName( origName ) || origName );
+		// Make sure that we're working with the right name. We don't
+		// want to modify the value if it is a CSS custom property
+		// since they are user-defined.
+		if ( !isCustomProp ) {
+			name = finalPropName( origName );
+		}
 
-		// gets hook for the prefixed version
-		// followed by the unprefixed version
+		// Try prefixed name followed by the unprefixed name
 		hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
 
 		// If a hook was provided get the computed value from there
@@ -7172,127 +6996,99 @@ jQuery.extend( {
 			val = curCSS( elem, name, styles );
 		}
 
-		//convert "normal" to computed value
+		// Convert "normal" to computed value
 		if ( val === "normal" && name in cssNormalTransform ) {
 			val = cssNormalTransform[ name ];
 		}
 
-		// Return, converting to number if forced or a qualifier was provided and val looks numeric
+		// Make numeric if forced or a qualifier was provided and val looks numeric
 		if ( extra === "" || extra ) {
 			num = parseFloat( val );
 			return extra === true || isFinite( num ) ? num || 0 : val;
 		}
+
 		return val;
 	}
 } );
 
-jQuery.each( [ "height", "width" ], function( i, name ) {
-	jQuery.cssHooks[ name ] = {
+jQuery.each( [ "height", "width" ], function( _i, dimension ) {
+	jQuery.cssHooks[ dimension ] = {
 		get: function( elem, computed, extra ) {
 			if ( computed ) {
 
-				// certain elements can have dimension info if we invisibly show them
-				// however, it must have a current display style that would benefit from this
+				// Certain elements can have dimension info if we invisibly show them
+				// but it must have a current display style that would benefit
 				return rdisplayswap.test( jQuery.css( elem, "display" ) ) &&
-					elem.offsetWidth === 0 ?
-						swap( elem, cssShow, function() {
-							return getWidthOrHeight( elem, name, extra );
-						} ) :
-						getWidthOrHeight( elem, name, extra );
+
+					// Support: Safari 8+
+					// Table columns in Safari have non-zero offsetWidth & zero
+					// getBoundingClientRect().width unless display is changed.
+					// Support: IE <=11 only
+					// Running getBoundingClientRect on a disconnected node
+					// in IE throws an error.
+					( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ?
+					swap( elem, cssShow, function() {
+						return getWidthOrHeight( elem, dimension, extra );
+					} ) :
+					getWidthOrHeight( elem, dimension, extra );
 			}
 		},
 
 		set: function( elem, value, extra ) {
-			var styles = extra && getStyles( elem );
-			return setPositiveNumber( elem, value, extra ?
-				augmentWidthOrHeight(
-					elem,
-					name,
-					extra,
-					support.boxSizing &&
-						jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
-					styles
-				) : 0
-			);
-		}
-	};
-} );
-
-if ( !support.opacity ) {
-	jQuery.cssHooks.opacity = {
-		get: function( elem, computed ) {
-
-			// IE uses filters for opacity
-			return ropacity.test( ( computed && elem.currentStyle ?
-				elem.currentStyle.filter :
-				elem.style.filter ) || "" ) ?
-					( 0.01 * parseFloat( RegExp.$1 ) ) + "" :
-					computed ? "1" : "";
-		},
-
-		set: function( elem, value ) {
-			var style = elem.style,
-				currentStyle = elem.currentStyle,
-				opacity = jQuery.isNumeric( value ) ? "alpha(opacity=" + value * 100 + ")" : "",
-				filter = currentStyle && currentStyle.filter || style.filter || "";
-
-			// IE has trouble with opacity if it does not have layout
-			// Force it by setting the zoom level
-			style.zoom = 1;
-
-			// if setting opacity to 1, and no other filters exist -
-			// attempt to remove filter attribute #6652
-			// if value === "", then remove inline opacity #12685
-			if ( ( value >= 1 || value === "" ) &&
-					jQuery.trim( filter.replace( ralpha, "" ) ) === "" &&
-					style.removeAttribute ) {
+			var matches,
+				styles = getStyles( elem ),
+
+				// Only read styles.position if the test has a chance to fail
+				// to avoid forcing a reflow.
+				scrollboxSizeBuggy = !support.scrollboxSize() &&
+					styles.position === "absolute",
+
+				// To avoid forcing a reflow, only fetch boxSizing if we need it (gh-3991)
+				boxSizingNeeded = scrollboxSizeBuggy || extra,
+				isBorderBox = boxSizingNeeded &&
+					jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
+				subtract = extra ?
+					boxModelAdjustment(
+						elem,
+						dimension,
+						extra,
+						isBorderBox,
+						styles
+					) :
+					0;
+
+			// Account for unreliable border-box dimensions by comparing offset* to computed and
+			// faking a content-box to get border and padding (gh-3699)
+			if ( isBorderBox && scrollboxSizeBuggy ) {
+				subtract -= Math.ceil(
+					elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
+					parseFloat( styles[ dimension ] ) -
+					boxModelAdjustment( elem, dimension, "border", false, styles ) -
+					0.5
+				);
+			}
 
-				// Setting style.filter to null, "" & " " still leave "filter:" in the cssText
-				// if "filter:" is present at all, clearType is disabled, we want to avoid this
-				// style.removeAttribute is IE Only, but so apparently is this code path...
-				style.removeAttribute( "filter" );
+			// Convert to pixels if value adjustment is needed
+			if ( subtract && ( matches = rcssNum.exec( value ) ) &&
+				( matches[ 3 ] || "px" ) !== "px" ) {
 
-				// if there is no filter style applied in a css rule
-				// or unset inline opacity, we are done
-				if ( value === "" || currentStyle && !currentStyle.filter ) {
-					return;
-				}
+				elem.style[ dimension ] = value;
+				value = jQuery.css( elem, dimension );
 			}
 
-			// otherwise, set new filter values
-			style.filter = ralpha.test( filter ) ?
-				filter.replace( ralpha, opacity ) :
-				filter + " " + opacity;
+			return setPositiveNumber( elem, value, subtract );
 		}
 	};
-}
-
-jQuery.cssHooks.marginRight = addGetHookIf( support.reliableMarginRight,
-	function( elem, computed ) {
-		if ( computed ) {
-			return swap( elem, { "display": "inline-block" },
-				curCSS, [ elem, "marginRight" ] );
-		}
-	}
-);
+} );
 
 jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft,
 	function( elem, computed ) {
 		if ( computed ) {
-			return (
-				parseFloat( curCSS( elem, "marginLeft" ) ) ||
-
-				// Support: IE<=11+
-				// Running getBoundingClientRect on a disconnected node in IE throws an error
-				// Support: IE8 only
-				// getClientRects() errors on disconnected elems
-				( jQuery.contains( elem.ownerDocument, elem ) ?
-					elem.getBoundingClientRect().left -
-						swap( elem, { marginLeft: 0 }, function() {
-							return elem.getBoundingClientRect().left;
-						} ) :
-					0
-				)
+			return ( parseFloat( curCSS( elem, "marginLeft" ) ) ||
+				elem.getBoundingClientRect().left -
+					swap( elem, { marginLeft: 0 }, function() {
+						return elem.getBoundingClientRect().left;
+					} )
 			) + "px";
 		}
 	}
@@ -7309,7 +7105,7 @@ jQuery.each( {
 			var i = 0,
 				expanded = {},
 
-				// assumes a single number if not a string
+				// Assumes a single number if not a string
 				parts = typeof value === "string" ? value.split( " " ) : [ value ];
 
 			for ( ; i < 4; i++ ) {
@@ -7321,7 +7117,7 @@ jQuery.each( {
 		}
 	};
 
-	if ( !rmargin.test( prefix ) ) {
+	if ( prefix !== "margin" ) {
 		jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
 	}
 } );
@@ -7333,7 +7129,7 @@ jQuery.fn.extend( {
 				map = {},
 				i = 0;
 
-			if ( jQuery.isArray( name ) ) {
+			if ( Array.isArray( name ) ) {
 				styles = getStyles( elem );
 				len = name.length;
 
@@ -7348,25 +7144,6 @@ jQuery.fn.extend( {
 				jQuery.style( elem, name, value ) :
 				jQuery.css( elem, name );
 		}, name, value, arguments.length > 1 );
-	},
-	show: function() {
-		return showHide( this, true );
-	},
-	hide: function() {
-		return showHide( this );
-	},
-	toggle: function( state ) {
-		if ( typeof state === "boolean" ) {
-			return state ? this.show() : this.hide();
-		}
-
-		return this.each( function() {
-			if ( isHidden( this ) ) {
-				jQuery( this ).show();
-			} else {
-				jQuery( this ).hide();
-			}
-		} );
 	}
 } );
 
@@ -7434,10 +7211,10 @@ Tween.propHooks = {
 				return tween.elem[ tween.prop ];
 			}
 
-			// passing an empty string as a 3rd parameter to .css will automatically
-			// attempt a parseFloat and fallback to a string if the parse fails
-			// so, simple values such as "10px" are parsed to Float.
-			// complex values such as "rotate(1rad)" are returned as is.
+			// Passing an empty string as a 3rd parameter to .css will automatically
+			// attempt a parseFloat and fallback to a string if the parse fails.
+			// Simple values such as "10px" are parsed to Float;
+			// complex values such as "rotate(1rad)" are returned as-is.
 			result = jQuery.css( tween.elem, tween.prop, "" );
 
 			// Empty strings, null, undefined and "auto" are converted to 0.
@@ -7445,13 +7222,14 @@ Tween.propHooks = {
 		},
 		set: function( tween ) {
 
-			// use step hook for back compat - use cssHook if its there - use .style if its
-			// available and use plain properties where available
+			// Use step hook for back compat.
+			// Use cssHook if its there.
+			// Use .style if available and use plain properties where available.
 			if ( jQuery.fx.step[ tween.prop ] ) {
 				jQuery.fx.step[ tween.prop ]( tween );
-			} else if ( tween.elem.nodeType === 1 &&
-				( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null ||
-					jQuery.cssHooks[ tween.prop ] ) ) {
+			} else if ( tween.elem.nodeType === 1 && (
+				jQuery.cssHooks[ tween.prop ] ||
+					tween.elem.style[ finalPropName( tween.prop ) ] != null ) ) {
 				jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
 			} else {
 				tween.elem[ tween.prop ] = tween.now;
@@ -7460,9 +7238,8 @@ Tween.propHooks = {
 	}
 };
 
-// Support: IE <=9
+// Support: IE <=9 only
 // Panic based approach to setting things on disconnected nodes
-
 Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
 	set: function( tween ) {
 		if ( tween.elem.nodeType && tween.elem.parentNode ) {
@@ -7483,35 +7260,47 @@ jQuery.easing = {
 
 jQuery.fx = Tween.prototype.init;
 
-// Back Compat <1.8 extension point
+// Back compat <1.8 extension point
 jQuery.fx.step = {};
 
 
 
 
 var
-	fxNow, timerId,
+	fxNow, inProgress,
 	rfxtypes = /^(?:toggle|show|hide)$/,
 	rrun = /queueHooks$/;
 
+function schedule() {
+	if ( inProgress ) {
+		if ( document.hidden === false && window.requestAnimationFrame ) {
+			window.requestAnimationFrame( schedule );
+		} else {
+			window.setTimeout( schedule, jQuery.fx.interval );
+		}
+
+		jQuery.fx.tick();
+	}
+}
+
 // Animations created synchronously will run synchronously
 function createFxNow() {
 	window.setTimeout( function() {
 		fxNow = undefined;
 	} );
-	return ( fxNow = jQuery.now() );
+	return ( fxNow = Date.now() );
 }
 
 // Generate parameters to create a standard animation
 function genFx( type, includeWidth ) {
 	var which,
-		attrs = { height: type },
-		i = 0;
+		i = 0,
+		attrs = { height: type };
 
-	// if we include width, step value is 1 to do all cssExpand values,
-	// if we don't include width, step value is 2 to skip over Left and Right
+	// If we include width, step value is 1 to do all cssExpand values,
+	// otherwise step value is 2 to skip over Left and Right
 	includeWidth = includeWidth ? 1 : 0;
-	for ( ; i < 4 ; i += 2 - includeWidth ) {
+	for ( ; i < 4; i += 2 - includeWidth ) {
 		which = cssExpand[ i ];
 		attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
 	}
@@ -7531,22 +7320,22 @@ function createTween( value, prop, animation ) {
 	for ( ; index < length; index++ ) {
 		if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) {
 
-			// we're done with this property
+			// We're done with this property
 			return tween;
 		}
 	}
 }
 
 function defaultPrefilter( elem, props, opts ) {
-	/* jshint validthis: true */
-	var prop, value, toggle, tween, hooks, oldfire, display, checkDisplay,
+	var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display,
+		isBox = "width" in props || "height" in props,
 		anim = this,
 		orig = {},
 		style = elem.style,
-		hidden = elem.nodeType && isHidden( elem ),
-		dataShow = jQuery._data( elem, "fxshow" );
+		hidden = elem.nodeType && isHiddenWithinTree( elem ),
+		dataShow = dataPriv.get( elem, "fxshow" );
 
-	// handle queue: false promises
+	// Queue-skipping animations hijack the fx hooks
 	if ( !opts.queue ) {
 		hooks = jQuery._queueHooks( elem, "fx" );
 		if ( hooks.unqueued == null ) {
@@ -7562,8 +7351,7 @@ function defaultPrefilter( elem, props, opts ) {
 
 		anim.always( function() {
 
-			// doing this makes sure that the complete handler will be called
-			// before this completes
+			// Ensure the complete handler is called before this completes
 			anim.always( function() {
 				hooks.unqueued--;
 				if ( !jQuery.queue( elem, "fx" ).length ) {
@@ -7573,112 +7361,140 @@ function defaultPrefilter( elem, props, opts ) {
 		} );
 	}
 
-	// height/width overflow pass
-	if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) {
+	// Detect show/hide animations
+	for ( prop in props ) {
+		value = props[ prop ];
+		if ( rfxtypes.test( value ) ) {
+			delete props[ prop ];
+			toggle = toggle || value === "toggle";
+			if ( value === ( hidden ? "hide" : "show" ) ) {
 
-		// Make sure that nothing sneaks out
-		// Record all 3 overflow attributes because IE does not
-		// change the overflow attribute when overflowX and
-		// overflowY are set to the same value
+				// Pretend to be hidden if this is a "show" and
+				// there is still data from a stopped show/hide
+				if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
+					hidden = true;
+
+				// Ignore all other no-op show/hide data
+				} else {
+					continue;
+				}
+			}
+			orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
+		}
+	}
+
+	// Bail out if this is a no-op like .hide().hide()
+	propTween = !jQuery.isEmptyObject( props );
+	if ( !propTween && jQuery.isEmptyObject( orig ) ) {
+		return;
+	}
+
+	// Restrict "overflow" and "display" styles during box animations
+	if ( isBox && elem.nodeType === 1 ) {
+
+		// Support: IE <=9 - 11, Edge 12 - 15
+		// Record all 3 overflow attributes because IE does not infer the shorthand
+		// from identically-valued overflowX and overflowY and Edge just mirrors
+		// the overflowX value there.
 		opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
 
-		// Set display property to inline-block for height/width
-		// animations on inline elements that are having width/height animated
+		// Identify a display type, preferring old show/hide data over the CSS cascade
+		restoreDisplay = dataShow && dataShow.display;
+		if ( restoreDisplay == null ) {
+			restoreDisplay = dataPriv.get( elem, "display" );
+		}
 		display = jQuery.css( elem, "display" );
+		if ( display === "none" ) {
+			if ( restoreDisplay ) {
+				display = restoreDisplay;
+			} else {
 
-		// Test default display if display is currently "none"
-		checkDisplay = display === "none" ?
-			jQuery._data( elem, "olddisplay" ) || defaultDisplay( elem.nodeName ) : display;
+				// Get nonempty value(s) by temporarily forcing visibility
+				showHide( [ elem ], true );
+				restoreDisplay = elem.style.display || restoreDisplay;
+				display = jQuery.css( elem, "display" );
+				showHide( [ elem ] );
+			}
+		}
 
-		if ( checkDisplay === "inline" && jQuery.css( elem, "float" ) === "none" ) {
+		// Animate inline elements as inline-block
+		if ( display === "inline" || display === "inline-block" && restoreDisplay != null ) {
+			if ( jQuery.css( elem, "float" ) === "none" ) {
 
-			// inline-level elements accept inline-block;
-			// block-level elements need to be inline with layout
-			if ( !support.inlineBlockNeedsLayout || defaultDisplay( elem.nodeName ) === "inline" ) {
+				// Restore the original display value at the end of pure show/hide animations
+				if ( !propTween ) {
+					anim.done( function() {
+						style.display = restoreDisplay;
+					} );
+					if ( restoreDisplay == null ) {
+						display = style.display;
+						restoreDisplay = display === "none" ? "" : display;
+					}
+				}
 				style.display = "inline-block";
-			} else {
-				style.zoom = 1;
 			}
 		}
 	}
 
 	if ( opts.overflow ) {
 		style.overflow = "hidden";
-		if ( !support.shrinkWrapBlocks() ) {
-			anim.always( function() {
-				style.overflow = opts.overflow[ 0 ];
-				style.overflowX = opts.overflow[ 1 ];
-				style.overflowY = opts.overflow[ 2 ];
-			} );
-		}
+		anim.always( function() {
+			style.overflow = opts.overflow[ 0 ];
+			style.overflowX = opts.overflow[ 1 ];
+			style.overflowY = opts.overflow[ 2 ];
+		} );
 	}
 
-	// show/hide pass
-	for ( prop in props ) {
-		value = props[ prop ];
-		if ( rfxtypes.exec( value ) ) {
-			delete props[ prop ];
-			toggle = toggle || value === "toggle";
-			if ( value === ( hidden ? "hide" : "show" ) ) {
+	// Implement show/hide animations
+	propTween = false;
+	for ( prop in orig ) {
 
-				// If there is dataShow left over from a stopped hide or show
-				// and we are going to proceed with show, we should pretend to be hidden
-				if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
-					hidden = true;
-				} else {
-					continue;
+		// General show/hide setup for this element animation
+		if ( !propTween ) {
+			if ( dataShow ) {
+				if ( "hidden" in dataShow ) {
+					hidden = dataShow.hidden;
 				}
+			} else {
+				dataShow = dataPriv.access( elem, "fxshow", { display: restoreDisplay } );
 			}
-			orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
 
-		// Any non-fx value stops us from restoring the original display value
-		} else {
-			display = undefined;
-		}
-	}
+			// Store hidden/visible for toggle so `.stop().toggle()` "reverses"
+			if ( toggle ) {
+				dataShow.hidden = !hidden;
+			}
 
-	if ( !jQuery.isEmptyObject( orig ) ) {
-		if ( dataShow ) {
-			if ( "hidden" in dataShow ) {
-				hidden = dataShow.hidden;
+			// Show elements before animating them
+			if ( hidden ) {
+				showHide( [ elem ], true );
 			}
-		} else {
-			dataShow = jQuery._data( elem, "fxshow", {} );
-		}
 
-		// store state if its toggle - enables .stop().toggle() to "reverse"
-		if ( toggle ) {
-			dataShow.hidden = !hidden;
-		}
-		if ( hidden ) {
-			jQuery( elem ).show();
-		} else {
+			/* eslint-disable no-loop-func */
+
 			anim.done( function() {
-				jQuery( elem ).hide();
+
+				/* eslint-enable no-loop-func */
+
+				// The final step of a "hide" animation is actually hiding the element
+				if ( !hidden ) {
+					showHide( [ elem ] );
+				}
+				dataPriv.remove( elem, "fxshow" );
+				for ( prop in orig ) {
+					jQuery.style( elem, prop, orig[ prop ] );
+				}
 			} );
 		}
-		anim.done( function() {
-			var prop;
-			jQuery._removeData( elem, "fxshow" );
-			for ( prop in orig ) {
-				jQuery.style( elem, prop, orig[ prop ] );
-			}
-		} );
-		for ( prop in orig ) {
-			tween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
 
-			if ( !( prop in dataShow ) ) {
-				dataShow[ prop ] = tween.start;
-				if ( hidden ) {
-					tween.end = tween.start;
-					tween.start = prop === "width" || prop === "height" ? 1 : 0;
-				}
+		// Per-property setup
+		propTween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
+		if ( !( prop in dataShow ) ) {
+			dataShow[ prop ] = propTween.start;
+			if ( hidden ) {
+				propTween.end = propTween.start;
+				propTween.start = 0;
 			}
 		}
-
-	// If this is a noop like .hide().hide(), restore an overwritten display value
-	} else if ( ( display === "none" ? defaultDisplay( elem.nodeName ) : display ) === "inline" ) {
-		style.display = display;
 	}
 }
 
@@ -7687,10 +7503,10 @@ function propFilter( props, specialEasing ) {
 
 	// camelCase, specialEasing and expand cssHook pass
 	for ( index in props ) {
-		name = jQuery.camelCase( index );
+		name = camelCase( index );
 		easing = specialEasing[ name ];
 		value = props[ index ];
-		if ( jQuery.isArray( value ) ) {
+		if ( Array.isArray( value ) ) {
 			easing = value[ 1 ];
 			value = props[ index ] = value[ 0 ];
 		}
@@ -7705,8 +7521,8 @@ function propFilter( props, specialEasing ) {
 			value = hooks.expand( value );
 			delete props[ name ];
 
-			// not quite $.extend, this wont overwrite keys already present.
-			// also - reusing 'index' from above because we have the correct "name"
+			// Not quite $.extend, this won't overwrite existing keys.
+			// Reusing 'index' because we have the correct "name"
 			for ( index in value ) {
 				if ( !( index in props ) ) {
 					props[ index ] = value[ index ];
@@ -7726,7 +7542,7 @@ function Animation( elem, properties, options ) {
 		length = Animation.prefilters.length,
 		deferred = jQuery.Deferred().always( function() {
 
-			// don't match elem in the :animated selector
+			// Don't match elem in the :animated selector
 			delete tick.elem;
 		} ),
 		tick = function() {
@@ -7736,25 +7552,32 @@ function Animation( elem, properties, options ) {
 			var currentTime = fxNow || createFxNow(),
 				remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
 
-				// Support: Android 2.3
+				// Support: Android 2.3 only
 				// Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497)
 				temp = remaining / animation.duration || 0,
 				percent = 1 - temp,
 				index = 0,
 				length = animation.tweens.length;
 
-			for ( ; index < length ; index++ ) {
+			for ( ; index < length; index++ ) {
 				animation.tweens[ index ].run( percent );
 			}
 
 			deferred.notifyWith( elem, [ animation, percent, remaining ] );
 
+			// If there's more to do, yield
 			if ( percent < 1 && length ) {
 				return remaining;
-			} else {
-				deferred.resolveWith( elem, [ animation ] );
-				return false;
 			}
+
+			// If this was an empty animation, synthesize a final progress notification
+			if ( !length ) {
+				deferred.notifyWith( elem, [ animation, 1, 0 ] );
+			}
+
+			// Resolve the animation and report its conclusion
+			deferred.resolveWith( elem, [ animation ] );
+			return false;
 		},
 		animation = deferred.promise( {
 			elem: elem,
@@ -7770,26 +7593,25 @@ function Animation( elem, properties, options ) {
 			tweens: [],
 			createTween: function( prop, end ) {
 				var tween = jQuery.Tween( elem, animation.opts, prop, end,
-						animation.opts.specialEasing[ prop ] || animation.opts.easing );
+					animation.opts.specialEasing[ prop ] || animation.opts.easing );
 				animation.tweens.push( tween );
 				return tween;
 			},
 			stop: function( gotoEnd ) {
 				var index = 0,
 
-					// if we are going to the end, we want to run all the tweens
+					// If we are going to the end, we want to run all the tweens
 					// otherwise we skip this part
 					length = gotoEnd ? animation.tweens.length : 0;
 				if ( stopped ) {
 					return this;
 				}
 				stopped = true;
-				for ( ; index < length ; index++ ) {
+				for ( ; index < length; index++ ) {
 					animation.tweens[ index ].run( 1 );
 				}
 
-				// resolve when we played the last frame
-				// otherwise, reject
+				// Resolve when we played the last frame; otherwise, reject
 				if ( gotoEnd ) {
 					deferred.notifyWith( elem, [ animation, 1, 0 ] );
 					deferred.resolveWith( elem, [ animation, gotoEnd ] );
@@ -7803,12 +7625,12 @@ function Animation( elem, properties, options ) {
 
 	propFilter( props, animation.opts.specialEasing );
 
-	for ( ; index < length ; index++ ) {
+	for ( ; index < length; index++ ) {
 		result = Animation.prefilters[ index ].call( animation, elem, props, animation.opts );
 		if ( result ) {
-			if ( jQuery.isFunction( result.stop ) ) {
+			if ( isFunction( result.stop ) ) {
 				jQuery._queueHooks( animation.elem, animation.opts.queue ).stop =
-					jQuery.proxy( result.stop, result );
+					result.stop.bind( result );
 			}
 			return result;
 		}
@@ -7816,10 +7638,17 @@ function Animation( elem, properties, options ) {
 
 	jQuery.map( props, createTween, animation );
 
-	if ( jQuery.isFunction( animation.opts.start ) ) {
+	if ( isFunction( animation.opts.start ) ) {
 		animation.opts.start.call( elem, animation );
 	}
 
+	// Attach callbacks from options
+	animation
+		.progress( animation.opts.progress )
+		.done( animation.opts.done, animation.opts.complete )
+		.fail( animation.opts.fail )
+		.always( animation.opts.always );
+
 	jQuery.fx.timer(
 		jQuery.extend( tick, {
 			elem: elem,
@@ -7828,11 +7657,7 @@ function Animation( elem, properties, options ) {
 		} )
 	);
 
-	// attach callbacks from options
-	return animation.progress( animation.opts.progress )
-		.done( animation.opts.done, animation.opts.complete )
-		.fail( animation.opts.fail )
-		.always( animation.opts.always );
+	return animation;
 }
 
 jQuery.Animation = jQuery.extend( Animation, {
@@ -7846,18 +7671,18 @@ jQuery.Animation = jQuery.extend( Animation, {
 	},
 
 	tweener: function( props, callback ) {
-		if ( jQuery.isFunction( props ) ) {
+		if ( isFunction( props ) ) {
 			callback = props;
 			props = [ "*" ];
 		} else {
-			props = props.match( rnotwhite );
+			props = props.match( rnothtmlwhite );
 		}
 
 		var prop,
 			index = 0,
 			length = props.length;
 
-		for ( ; index < length ; index++ ) {
+		for ( ; index < length; index++ ) {
 			prop = props[ index ];
 			Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || [];
 			Animation.tweeners[ prop ].unshift( callback );
@@ -7878,16 +7703,27 @@ jQuery.Animation = jQuery.extend( Animation, {
 jQuery.speed = function( speed, easing, fn ) {
 	var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
 		complete: fn || !fn && easing ||
-			jQuery.isFunction( speed ) && speed,
+			isFunction( speed ) && speed,
 		duration: speed,
-		easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
+		easing: fn && easing || easing && !isFunction( easing ) && easing
 	};
 
-	opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :
-		opt.duration in jQuery.fx.speeds ?
-			jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;
+	// Go to the end state if fx are off
+	if ( jQuery.fx.off ) {
+		opt.duration = 0;
 
-	// normalize opt.queue - true/undefined/null -> "fx"
+	} else {
+		if ( typeof opt.duration !== "number" ) {
+			if ( opt.duration in jQuery.fx.speeds ) {
+				opt.duration = jQuery.fx.speeds[ opt.duration ];
+
+			} else {
+				opt.duration = jQuery.fx.speeds._default;
+			}
+		}
+	}
+
+	// Normalize opt.queue - true/undefined/null -> "fx"
 	if ( opt.queue == null || opt.queue === true ) {
 		opt.queue = "fx";
 	}
@@ -7896,7 +7732,7 @@ jQuery.speed = function( speed, easing, fn ) {
 	opt.old = opt.complete;
 
 	opt.complete = function() {
-		if ( jQuery.isFunction( opt.old ) ) {
+		if ( isFunction( opt.old ) ) {
 			opt.old.call( this );
 		}
 
@@ -7911,10 +7747,10 @@ jQuery.speed = function( speed, easing, fn ) {
 jQuery.fn.extend( {
 	fadeTo: function( speed, to, easing, callback ) {
 
-		// show any hidden elements after setting opacity to 0
-		return this.filter( isHidden ).css( "opacity", 0 ).show()
+		// Show any hidden elements after setting opacity to 0
+		return this.filter( isHiddenWithinTree ).css( "opacity", 0 ).show()
 
-			// animate to the value specified
+			// Animate to the value specified
 			.end().animate( { opacity: to }, speed, easing, callback );
 	},
 	animate: function( prop, speed, easing, callback ) {
@@ -7926,11 +7762,12 @@ jQuery.fn.extend( {
 				var anim = Animation( this, jQuery.extend( {}, prop ), optall );
 
 				// Empty animations, or finishing resolves immediately
-				if ( empty || jQuery._data( this, "finish" ) ) {
+				if ( empty || dataPriv.get( this, "finish" ) ) {
 					anim.stop( true );
 				}
 			};
-			doAnimation.finish = doAnimation;
+
+		doAnimation.finish = doAnimation;
 
 		return empty || optall.queue === false ?
 			this.each( doAnimation ) :
@@ -7948,7 +7785,7 @@ jQuery.fn.extend( {
 			clearQueue = type;
 			type = undefined;
 		}
-		if ( clearQueue && type !== false ) {
+		if ( clearQueue ) {
 			this.queue( type || "fx", [] );
 		}
 
@@ -7956,7 +7793,7 @@ jQuery.fn.extend( {
 			var dequeue = true,
 				index = type != null && type + "queueHooks",
 				timers = jQuery.timers,
-				data = jQuery._data( this );
+				data = dataPriv.get( this );
 
 			if ( index ) {
 				if ( data[ index ] && data[ index ].stop ) {
@@ -7980,9 +7817,9 @@ jQuery.fn.extend( {
 				}
 			}
 
-			// start the next in the queue if the last step wasn't forced
-			// timers currently will call their complete callbacks, which will dequeue
-			// but only if they were gotoEnd
+			// Start the next in the queue if the last step wasn't forced.
+			// Timers currently will call their complete callbacks, which
+			// will dequeue but only if they were gotoEnd.
 			if ( dequeue || !gotoEnd ) {
 				jQuery.dequeue( this, type );
 			}
@@ -7994,23 +7831,23 @@ jQuery.fn.extend( {
 		}
 		return this.each( function() {
 			var index,
-				data = jQuery._data( this ),
+				data = dataPriv.get( this ),
 				queue = data[ type + "queue" ],
 				hooks = data[ type + "queueHooks" ],
 				timers = jQuery.timers,
 				length = queue ? queue.length : 0;
 
-			// enable finishing flag on private data
+			// Enable finishing flag on private data
 			data.finish = true;
 
-			// empty the queue first
+			// Empty the queue first
 			jQuery.queue( this, type, [] );
 
 			if ( hooks && hooks.stop ) {
 				hooks.stop.call( this, true );
 			}
 
-			// look for any active animations, and finish them
+			// Look for any active animations, and finish them
 			for ( index = timers.length; index--; ) {
 				if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
 					timers[ index ].anim.stop( true );
@@ -8018,20 +7855,20 @@ jQuery.fn.extend( {
 				}
 			}
 
-			// look for any animations in the old queue and finish them
+			// Look for any animations in the old queue and finish them
 			for ( index = 0; index < length; index++ ) {
 				if ( queue[ index ] && queue[ index ].finish ) {
 					queue[ index ].finish.call( this );
 				}
 			}
 
-			// turn off finishing flag
+			// Turn off finishing flag
 			delete data.finish;
 		} );
 	}
 } );
 
-jQuery.each( [ "toggle", "show", "hide" ], function( i, name ) {
+jQuery.each( [ "toggle", "show", "hide" ], function( _i, name ) {
 	var cssFn = jQuery.fn[ name ];
 	jQuery.fn[ name ] = function( speed, easing, callback ) {
 		return speed == null || typeof speed === "boolean" ?
@@ -8057,15 +7894,15 @@ jQuery.each( {
 jQuery.timers = [];
 jQuery.fx.tick = function() {
 	var timer,
-		timers = jQuery.timers,
-		i = 0;
+		i = 0,
+		timers = jQuery.timers;
 
-	fxNow = jQuery.now();
+	fxNow = Date.now();
 
 	for ( ; i < timers.length; i++ ) {
 		timer = timers[ i ];
 
-		// Checks the timer has not already been removed
+		// Run the timer and safely remove it when done (allowing for external removal)
 		if ( !timer() && timers[ i ] === timer ) {
 			timers.splice( i--, 1 );
 		}
@@ -8079,24 +7916,21 @@ jQuery.fx.tick = function() {
 
 jQuery.fx.timer = function( timer ) {
 	jQuery.timers.push( timer );
-	if ( timer() ) {
-		jQuery.fx.start();
-	} else {
-		jQuery.timers.pop();
-	}
+	jQuery.fx.start();
 };
 
 jQuery.fx.interval = 13;
-
 jQuery.fx.start = function() {
-	if ( !timerId ) {
-		timerId = window.setInterval( jQuery.fx.tick, jQuery.fx.interval );
+	if ( inProgress ) {
+		return;
 	}
+
+	inProgress = true;
+	schedule();
 };
 
 jQuery.fx.stop = function() {
-	window.clearInterval( timerId );
-	timerId = null;
+	inProgress = null;
 };
 
 jQuery.fx.speeds = {
@@ -8109,7 +7943,7 @@ jQuery.fx.speeds = {
 
 
 // Based off of the plugin by Clint Helfers, with permission.
-// http://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
+// https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
 jQuery.fn.delay = function( time, type ) {
 	time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
 	type = type || "fx";
@@ -8124,260 +7958,31 @@ jQuery.fn.delay = function( time, type ) {
 
 
 ( function() {
-	var a,
-		input = document.createElement( "input" ),
-		div = document.createElement( "div" ),
+	var input = document.createElement( "input" ),
 		select = document.createElement( "select" ),
 		opt = select.appendChild( document.createElement( "option" ) );
 
-	// Setup
-	div = document.createElement( "div" );
-	div.setAttribute( "className", "t" );
-	div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
-	a = div.getElementsByTagName( "a" )[ 0 ];
-
-	// Support: Windows Web Apps (WWA)
-	// `type` must use .setAttribute for WWA (#14901)
-	input.setAttribute( "type", "checkbox" );
-	div.appendChild( input );
-
-	a = div.getElementsByTagName( "a" )[ 0 ];
-
-	// First batch of tests.
-	a.style.cssText = "top:1px";
-
-	// Test setAttribute on camelCase class.
-	// If it works, we need attrFixes when doing get/setAttribute (ie6/7)
-	support.getSetAttribute = div.className !== "t";
-
-	// Get the style information from getAttribute
-	// (IE uses .cssText instead)
-	support.style = /top/.test( a.getAttribute( "style" ) );
-
-	// Make sure that URLs aren't manipulated
-	// (IE normalizes it by default)
-	support.hrefNormalized = a.getAttribute( "href" ) === "/a";
+	input.type = "checkbox";
 
-	// Check the default checkbox/radio value ("" on WebKit; "on" elsewhere)
-	support.checkOn = !!input.value;
+	// Support: Android <=4.3 only
+	// Default value for a checkbox should be "on"
+	support.checkOn = input.value !== "";
 
-	// Make sure that a selected-by-default option has a working selected property.
-	// (WebKit defaults to false instead of true, IE too, if it's in an optgroup)
+	// Support: IE <=11 only
+	// Must access selectedIndex to make default options select
 	support.optSelected = opt.selected;
 
-	// Tests for enctype support on a form (#6743)
-	support.enctype = !!document.createElement( "form" ).enctype;
-
-	// Make sure that the options inside disabled selects aren't marked as disabled
-	// (WebKit marks them as disabled)
-	select.disabled = true;
-	support.optDisabled = !opt.disabled;
-
-	// Support: IE8 only
-	// Check if we can trust getAttribute("value")
+	// Support: IE <=11 only
+	// An input loses its value after becoming a radio
 	input = document.createElement( "input" );
-	input.setAttribute( "value", "" );
-	support.input = input.getAttribute( "value" ) === "";
-
-	// Check if an input maintains its value after becoming a radio
 	input.value = "t";
-	input.setAttribute( "type", "radio" );
+	input.type = "radio";
 	support.radioValue = input.value === "t";
 } )();
 
 
-var rreturn = /\r/g,
-	rspaces = /[\x20\t\r\n\f]+/g;
-
-jQuery.fn.extend( {
-	val: function( value ) {
-		var hooks, ret, isFunction,
-			elem = this[ 0 ];
-
-		if ( !arguments.length ) {
-			if ( elem ) {
-				hooks = jQuery.valHooks[ elem.type ] ||
-					jQuery.valHooks[ elem.nodeName.toLowerCase() ];
-
-				if (
-					hooks &&
-					"get" in hooks &&
-					( ret = hooks.get( elem, "value" ) ) !== undefined
-				) {
-					return ret;
-				}
-
-				ret = elem.value;
-
-				return typeof ret === "string" ?
-
-					// handle most common string cases
-					ret.replace( rreturn, "" ) :
-
-					// handle cases where value is null/undef or number
-					ret == null ? "" : ret;
-			}
-
-			return;
-		}
-
-		isFunction = jQuery.isFunction( value );
-
-		return this.each( function( i ) {
-			var val;
-
-			if ( this.nodeType !== 1 ) {
-				return;
-			}
-
-			if ( isFunction ) {
-				val = value.call( this, i, jQuery( this ).val() );
-			} else {
-				val = value;
-			}
-
-			// Treat null/undefined as ""; convert numbers to string
-			if ( val == null ) {
-				val = "";
-			} else if ( typeof val === "number" ) {
-				val += "";
-			} else if ( jQuery.isArray( val ) ) {
-				val = jQuery.map( val, function( value ) {
-					return value == null ? "" : value + "";
-				} );
-			}
-
-			hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
-
-			// If set returns undefined, fall back to normal setting
-			if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) {
-				this.value = val;
-			}
-		} );
-	}
-} );
-
-jQuery.extend( {
-	valHooks: {
-		option: {
-			get: function( elem ) {
-				var val = jQuery.find.attr( elem, "value" );
-				return val != null ?
-					val :
-
-					// Support: IE10-11+
-					// option.text throws exceptions (#14686, #14858)
-					// Strip and collapse whitespace
-					// https://html.spec.whatwg.org/#strip-and-collapse-whitespace
-					jQuery.trim( jQuery.text( elem ) ).replace( rspaces, " " );
-			}
-		},
-		select: {
-			get: function( elem ) {
-				var value, option,
-					options = elem.options,
-					index = elem.selectedIndex,
-					one = elem.type === "select-one" || index < 0,
-					values = one ? null : [],
-					max = one ? index + 1 : options.length,
-					i = index < 0 ?
-						max :
-						one ? index : 0;
-
-				// Loop through all the selected options
-				for ( ; i < max; i++ ) {
-					option = options[ i ];
-
-					// oldIE doesn't update selected after form reset (#2551)
-					if ( ( option.selected || i === index ) &&
-
-							// Don't return options that are disabled or in a disabled optgroup
-							( support.optDisabled ?
-								!option.disabled :
-								option.getAttribute( "disabled" ) === null ) &&
-							( !option.parentNode.disabled ||
-								!jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {
-
-						// Get the specific value for the option
-						value = jQuery( option ).val();
-
-						// We don't need an array for one selects
-						if ( one ) {
-							return value;
-						}
-
-						// Multi-Selects return an array
-						values.push( value );
-					}
-				}
-
-				return values;
-			},
-
-			set: function( elem, value ) {
-				var optionSet, option,
-					options = elem.options,
-					values = jQuery.makeArray( value ),
-					i = options.length;
-
-				while ( i-- ) {
-					option = options[ i ];
-
-					if ( jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1 ) {
-
-						// Support: IE6
-						// When new option element is added to select box we need to
-						// force reflow of newly added node in order to workaround delay
-						// of initialization properties
-						try {
-							option.selected = optionSet = true;
-
-						} catch ( _ ) {
-
-							// Will be executed only in IE6
-							option.scrollHeight;
-						}
-
-					} else {
-						option.selected = false;
-					}
-				}
-
-				// Force browsers to behave consistently when non-matching value is set
-				if ( !optionSet ) {
-					elem.selectedIndex = -1;
-				}
-
-				return options;
-			}
-		}
-	}
-} );
-
-// Radios and checkboxes getter/setter
-jQuery.each( [ "radio", "checkbox" ], function() {
-	jQuery.valHooks[ this ] = {
-		set: function( elem, value ) {
-			if ( jQuery.isArray( value ) ) {
-				return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );
-			}
-		}
-	};
-	if ( !support.checkOn ) {
-		jQuery.valHooks[ this ].get = function( elem ) {
-			return elem.getAttribute( "value" ) === null ? "on" : elem.value;
-		};
-	}
-} );
-
-
-
-
-var nodeHook, boolHook,
-	attrHandle = jQuery.expr.attrHandle,
-	ruseDefault = /^(?:checked|selected)$/i,
-	getSetAttribute = support.getSetAttribute,
-	getSetInput = support.input;
+var boolHook,
+	attrHandle = jQuery.expr.attrHandle;
 
 jQuery.fn.extend( {
 	attr: function( name, value ) {
@@ -8406,12 +8011,11 @@ jQuery.extend( {
 			return jQuery.prop( elem, name, value );
 		}
 
-		// All attributes are lowercase
+		// Attribute hooks are determined by the lowercase version
 		// Grab necessary hook if one is defined
 		if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
-			name = name.toLowerCase();
-			hooks = jQuery.attrHooks[ name ] ||
-				( jQuery.expr.match.bool.test( name ) ? boolHook : nodeHook );
+			hooks = jQuery.attrHooks[ name.toLowerCase() ] ||
+				( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );
 		}
 
 		if ( value !== undefined ) {
@@ -8443,10 +8047,7 @@ jQuery.extend( {
 		type: {
 			set: function( elem, value ) {
 				if ( !support.radioValue && value === "radio" &&
-					jQuery.nodeName( elem, "input" ) ) {
-
-					// Setting the type on a radio button after the value resets the value in IE8-9
-					// Reset value to default in case type is set after value during creation
+					nodeName( elem, "input" ) ) {
 					var val = elem.value;
 					elem.setAttribute( "type", value );
 					if ( val ) {
@@ -8459,34 +8060,16 @@ jQuery.extend( {
 	},
 
 	removeAttr: function( elem, value ) {
-		var name, propName,
+		var name,
 			i = 0,
-			attrNames = value && value.match( rnotwhite );
+
+			// Attribute names can contain non-HTML whitespace characters
+			// https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
+			attrNames = value && value.match( rnothtmlwhite );
 
 		if ( attrNames && elem.nodeType === 1 ) {
 			while ( ( name = attrNames[ i++ ] ) ) {
-				propName = jQuery.propFix[ name ] || name;
-
-				// Boolean attributes get special treatment (#10870)
-				if ( jQuery.expr.match.bool.test( name ) ) {
-
-					// Set corresponding property to false
-					if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
-						elem[ propName ] = false;
-
-					// Support: IE<9
-					// Also clear defaultChecked/defaultSelected (if appropriate)
-					} else {
-						elem[ jQuery.camelCase( "default-" + name ) ] =
-							elem[ propName ] = false;
-					}
-
-				// See #9699 for explanation of this approach (setting first, then removal)
-				} else {
-					jQuery.attr( elem, name, "" );
-				}
-
-				elem.removeAttribute( getSetAttribute ? name : propName );
+				elem.removeAttribute( name );
 			}
 		}
 	}
@@ -8499,155 +8082,38 @@ boolHook = {
 
 			// Remove boolean attributes when set to false
 			jQuery.removeAttr( elem, name );
-		} else if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
-
-			// IE<8 needs the *property* name
-			elem.setAttribute( !getSetAttribute && jQuery.propFix[ name ] || name, name );
-
 		} else {
-
-			// Support: IE<9
-			// Use defaultChecked and defaultSelected for oldIE
-			elem[ jQuery.camelCase( "default-" + name ) ] = elem[ name ] = true;
+			elem.setAttribute( name, name );
 		}
 		return name;
 	}
 };
 
-jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
+jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( _i, name ) {
 	var getter = attrHandle[ name ] || jQuery.find.attr;
 
-	if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
-		attrHandle[ name ] = function( elem, name, isXML ) {
-			var ret, handle;
-			if ( !isXML ) {
-
-				// Avoid an infinite loop by temporarily removing this function from the getter
-				handle = attrHandle[ name ];
-				attrHandle[ name ] = ret;
-				ret = getter( elem, name, isXML ) != null ?
-					name.toLowerCase() :
-					null;
-				attrHandle[ name ] = handle;
-			}
-			return ret;
-		};
-	} else {
-		attrHandle[ name ] = function( elem, name, isXML ) {
-			if ( !isXML ) {
-				return elem[ jQuery.camelCase( "default-" + name ) ] ?
-					name.toLowerCase() :
-					null;
-			}
-		};
-	}
-} );
-
-// fix oldIE attroperties
-if ( !getSetInput || !getSetAttribute ) {
-	jQuery.attrHooks.value = {
-		set: function( elem, value, name ) {
-			if ( jQuery.nodeName( elem, "input" ) ) {
-
-				// Does not return so that setAttribute is also used
-				elem.defaultValue = value;
-			} else {
-
-				// Use nodeHook if defined (#1954); otherwise setAttribute is fine
-				return nodeHook && nodeHook.set( elem, value, name );
-			}
-		}
-	};
-}
-
-// IE6/7 do not support getting/setting some attributes with get/setAttribute
-if ( !getSetAttribute ) {
-
-	// Use this for any attribute in IE6/7
-	// This fixes almost every IE6/7 issue
-	nodeHook = {
-		set: function( elem, value, name ) {
-
-			// Set the existing or create a new attribute node
-			var ret = elem.getAttributeNode( name );
-			if ( !ret ) {
-				elem.setAttributeNode(
-					( ret = elem.ownerDocument.createAttribute( name ) )
-				);
-			}
-
-			ret.value = value += "";
+	attrHandle[ name ] = function( elem, name, isXML ) {
+		var ret, handle,
+			lowercaseName = name.toLowerCase();
 
-			// Break association with cloned elements by also using setAttribute (#9646)
-			if ( name === "value" || value === elem.getAttribute( name ) ) {
-				return value;
-			}
-		}
-	};
-
-	// Some attributes are constructed with empty-string values when not defined
-	attrHandle.id = attrHandle.name = attrHandle.coords =
-		function( elem, name, isXML ) {
-			var ret;
-			if ( !isXML ) {
-				return ( ret = elem.getAttributeNode( name ) ) && ret.value !== "" ?
-					ret.value :
-					null;
-			}
-		};
-
-	// Fixing value retrieval on a button requires this module
-	jQuery.valHooks.button = {
-		get: function( elem, name ) {
-			var ret = elem.getAttributeNode( name );
-			if ( ret && ret.specified ) {
-				return ret.value;
-			}
-		},
-		set: nodeHook.set
-	};
-
-	// Set contenteditable to false on removals(#10429)
-	// Setting to empty string throws an error as an invalid value
-	jQuery.attrHooks.contenteditable = {
-		set: function( elem, value, name ) {
-			nodeHook.set( elem, value === "" ? false : value, name );
-		}
-	};
-
-	// Set width and height to auto instead of 0 on empty string( Bug #8150 )
-	// This is for removals
-	jQuery.each( [ "width", "height" ], function( i, name ) {
-		jQuery.attrHooks[ name ] = {
-			set: function( elem, value ) {
-				if ( value === "" ) {
-					elem.setAttribute( name, "auto" );
-					return value;
-				}
-			}
-		};
-	} );
-}
-
-if ( !support.style ) {
-	jQuery.attrHooks.style = {
-		get: function( elem ) {
+		if ( !isXML ) {
 
-			// Return undefined in the case of empty string
-			// Note: IE uppercases css property names, but if we were to .toLowerCase()
-			// .cssText, that would destroy case sensitivity in URL's, like in "background"
-			return elem.style.cssText || undefined;
-		},
-		set: function( elem, value ) {
-			return ( elem.style.cssText = value + "" );
+			// Avoid an infinite loop by temporarily removing this function from the getter
+			handle = attrHandle[ lowercaseName ];
+			attrHandle[ lowercaseName ] = ret;
+			ret = getter( elem, name, isXML ) != null ?
+				lowercaseName :
+				null;
+			attrHandle[ lowercaseName ] = handle;
 		}
+		return ret;
 	};
-}
+} );
 
 
 
 
-var rfocusable = /^(?:input|select|textarea|button|object)$/i,
+var rfocusable = /^(?:input|select|textarea|button)$/i,
 	rclickable = /^(?:a|area)$/i;
 
 jQuery.fn.extend( {
@@ -8656,14 +8122,8 @@ jQuery.fn.extend( {
 	},
 
 	removeProp: function( name ) {
-		name = jQuery.propFix[ name ] || name;
 		return this.each( function() {
-
-			// try/catch handles cases where IE balks (such as removing a property on window)
-			try {
-				this[ name ] = undefined;
-				delete this[ name ];
-			} catch ( e ) {}
+			delete this[ jQuery.propFix[ name ] || name ];
 		} );
 	}
 } );
@@ -8705,18 +8165,26 @@ jQuery.extend( {
 		tabIndex: {
 			get: function( elem ) {
 
+				// Support: IE <=9 - 11 only
 				// elem.tabIndex doesn't always return the
 				// correct value when it hasn't been explicitly set
-				// http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
+				// https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
 				// Use proper attribute retrieval(#12072)
 				var tabindex = jQuery.find.attr( elem, "tabindex" );
 
-				return tabindex ?
-					parseInt( tabindex, 10 ) :
+				if ( tabindex ) {
+					return parseInt( tabindex, 10 );
+				}
+
+				if (
 					rfocusable.test( elem.nodeName ) ||
-						rclickable.test( elem.nodeName ) && elem.href ?
-							0 :
-							-1;
+					rclickable.test( elem.nodeName ) &&
+					elem.href
+				) {
+					return 0;
+				}
+
+				return -1;
 			}
 		}
 	},
@@ -8727,42 +8195,30 @@ jQuery.extend( {
 	}
 } );
 
-// Some attributes require a special call on IE
-// http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
-if ( !support.hrefNormalized ) {
-
-	// href/src property should get the full normalized URL (#10299/#12915)
-	jQuery.each( [ "href", "src" ], function( i, name ) {
-		jQuery.propHooks[ name ] = {
-			get: function( elem ) {
-				return elem.getAttribute( name, 4 );
-			}
-		};
-	} );
-}
-
-// Support: Safari, IE9+
+// Support: IE <=11 only
 // Accessing the selectedIndex property
 // forces the browser to respect setting selected
 // on the option
 // The getter ensures a default option is selected
 // when in an optgroup
+// eslint rule "no-unused-expressions" is disabled for this code
+// since it considers such accessions noop
 if ( !support.optSelected ) {
 	jQuery.propHooks.selected = {
 		get: function( elem ) {
-			var parent = elem.parentNode;
 
-			if ( parent ) {
-				parent.selectedIndex;
+			/* eslint no-unused-expressions: "off" */
 
-				// Make sure that it also works with optgroups, see #5701
-				if ( parent.parentNode ) {
-					parent.parentNode.selectedIndex;
-				}
+			var parent = elem.parentNode;
+			if ( parent && parent.parentNode ) {
+				parent.parentNode.selectedIndex;
 			}
 			return null;
 		},
 		set: function( elem ) {
+
+			/* eslint no-unused-expressions: "off" */
+
 			var parent = elem.parentNode;
 			if ( parent ) {
 				parent.selectedIndex;
@@ -8790,18 +8246,29 @@ jQuery.each( [
 	jQuery.propFix[ this.toLowerCase() ] = this;
 } );
 
-// IE6/7 call enctype encoding
-if ( !support.enctype ) {
-	jQuery.propFix.enctype = "encoding";
-}
 
 
 
+	// Strip and collapse whitespace according to HTML spec
+	// https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace
+	function stripAndCollapse( value ) {
+		var tokens = value.match( rnothtmlwhite ) || [];
+		return tokens.join( " " );
+	}
 
-var rclass = /[\t\r\n\f]/g;
 
 function getClass( elem ) {
-	return jQuery.attr( elem, "class" ) || "";
+	return elem.getAttribute && elem.getAttribute( "class" ) || "";
+}
+
+function classesToArray( value ) {
+	if ( Array.isArray( value ) ) {
+		return value;
+	}
+	if ( typeof value === "string" ) {
+		return value.match( rnothtmlwhite ) || [];
+	}
+	return [];
 }
 
 jQuery.fn.extend( {
@@ -8809,19 +8276,18 @@ jQuery.fn.extend( {
 		var classes, elem, cur, curValue, clazz, j, finalValue,
 			i = 0;
 
-		if ( jQuery.isFunction( value ) ) {
+		if ( isFunction( value ) ) {
 			return this.each( function( j ) {
 				jQuery( this ).addClass( value.call( this, j, getClass( this ) ) );
 			} );
 		}
 
-		if ( typeof value === "string" && value ) {
-			classes = value.match( rnotwhite ) || [];
+		classes = classesToArray( value );
 
+		if ( classes.length ) {
 			while ( ( elem = this[ i++ ] ) ) {
 				curValue = getClass( elem );
-				cur = elem.nodeType === 1 &&
-					( " " + curValue + " " ).replace( rclass, " " );
+				cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
 
 				if ( cur ) {
 					j = 0;
@@ -8831,10 +8297,10 @@ jQuery.fn.extend( {
 						}
 					}
 
-					// only assign if different to avoid unneeded rendering.
-					finalValue = jQuery.trim( cur );
+					// Only assign if different to avoid unneeded rendering.
+					finalValue = stripAndCollapse( cur );
 					if ( curValue !== finalValue ) {
-						jQuery.attr( elem, "class", finalValue );
+						elem.setAttribute( "class", finalValue );
 					}
 				}
 			}
@@ -8847,7 +8313,7 @@ jQuery.fn.extend( {
 		var classes, elem, cur, curValue, clazz, j, finalValue,
 			i = 0;
 
-		if ( jQuery.isFunction( value ) ) {
+		if ( isFunction( value ) ) {
 			return this.each( function( j ) {
 				jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) );
 			} );
@@ -8857,15 +8323,14 @@ jQuery.fn.extend( {
 			return this.attr( "class", "" );
 		}
 
-		if ( typeof value === "string" && value ) {
-			classes = value.match( rnotwhite ) || [];
+		classes = classesToArray( value );
 
+		if ( classes.length ) {
 			while ( ( elem = this[ i++ ] ) ) {
 				curValue = getClass( elem );
 
 				// This expression is here for better compressibility (see addClass)
-				cur = elem.nodeType === 1 &&
-					( " " + curValue + " " ).replace( rclass, " " );
+				cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
 
 				if ( cur ) {
 					j = 0;
@@ -8878,9 +8343,9 @@ jQuery.fn.extend( {
 					}
 
 					// Only assign if different to avoid unneeded rendering.
-					finalValue = jQuery.trim( cur );
+					finalValue = stripAndCollapse( cur );
 					if ( curValue !== finalValue ) {
-						jQuery.attr( elem, "class", finalValue );
+						elem.setAttribute( "class", finalValue );
 					}
 				}
 			}
@@ -8890,13 +8355,14 @@ jQuery.fn.extend( {
 	},
 
 	toggleClass: function( value, stateVal ) {
-		var type = typeof value;
+		var type = typeof value,
+			isValidValue = type === "string" || Array.isArray( value );
 
-		if ( typeof stateVal === "boolean" && type === "string" ) {
+		if ( typeof stateVal === "boolean" && isValidValue ) {
 			return stateVal ? this.addClass( value ) : this.removeClass( value );
 		}
 
-		if ( jQuery.isFunction( value ) ) {
+		if ( isFunction( value ) ) {
 			return this.each( function( i ) {
 				jQuery( this ).toggleClass(
 					value.call( this, i, getClass( this ), stateVal ),
@@ -8908,12 +8374,12 @@ jQuery.fn.extend( {
 		return this.each( function() {
 			var className, i, self, classNames;
 
-			if ( type === "string" ) {
+			if ( isValidValue ) {
 
 				// Toggle individual class names
 				i = 0;
 				self = jQuery( this );
-				classNames = value.match( rnotwhite ) || [];
+				classNames = classesToArray( value );
 
 				while ( ( className = classNames[ i++ ] ) ) {
 
@@ -8930,19 +8396,21 @@ jQuery.fn.extend( {
 				className = getClass( this );
 				if ( className ) {
 
-					// store className if set
-					jQuery._data( this, "__className__", className );
+					// Store className if set
+					dataPriv.set( this, "__className__", className );
 				}
 
-				// If the element has a class name or if we're passed "false",
+				// If the element has a class name or if we're passed `false`,
 				// then remove the whole classname (if there was one, the above saved it).
 				// Otherwise bring back whatever was previously saved (if anything),
 				// falling back to the empty string if nothing was stored.
-				jQuery.attr( this, "class",
-					className || value === false ?
-					"" :
-					jQuery._data( this, "__className__" ) || ""
-				);
+				if ( this.setAttribute ) {
+					this.setAttribute( "class",
+						className || value === false ?
+							"" :
+							dataPriv.get( this, "__className__" ) || ""
+					);
+				}
 			}
 		} );
 	},
@@ -8954,9 +8422,7 @@ jQuery.fn.extend( {
 		className = " " + selector + " ";
 		while ( ( elem = this[ i++ ] ) ) {
 			if ( elem.nodeType === 1 &&
-				( " " + getClass( elem ) + " " ).replace( rclass, " " )
-					.indexOf( className ) > -1
-			) {
+				( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) {
 				return true;
 			}
 		}
@@ -8968,121 +8434,588 @@ jQuery.fn.extend( {
 
 
 
-// Return jQuery for attributes-only inclusion
+var rreturn = /\r/g;
 
+jQuery.fn.extend( {
+	val: function( value ) {
+		var hooks, ret, valueIsFunction,
+			elem = this[ 0 ];
 
-jQuery.each( ( "blur focus focusin focusout load resize scroll unload click dblclick " +
-	"mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
-	"change select submit keydown keypress keyup error contextmenu" ).split( " " ),
-	function( i, name ) {
-
-	// Handle event binding
-	jQuery.fn[ name ] = function( data, fn ) {
-		return arguments.length > 0 ?
-			this.on( name, null, data, fn ) :
-			this.trigger( name );
-	};
-} );
+		if ( !arguments.length ) {
+			if ( elem ) {
+				hooks = jQuery.valHooks[ elem.type ] ||
+					jQuery.valHooks[ elem.nodeName.toLowerCase() ];
 
-jQuery.fn.extend( {
-	hover: function( fnOver, fnOut ) {
-		return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
+				if ( hooks &&
+					"get" in hooks &&
+					( ret = hooks.get( elem, "value" ) ) !== undefined
+				) {
+					return ret;
+				}
+
+				ret = elem.value;
+
+				// Handle most common string cases
+				if ( typeof ret === "string" ) {
+					return ret.replace( rreturn, "" );
+				}
+
+				// Handle cases where value is null/undef or number
+				return ret == null ? "" : ret;
+			}
+
+			return;
+		}
+
+		valueIsFunction = isFunction( value );
+
+		return this.each( function( i ) {
+			var val;
+
+			if ( this.nodeType !== 1 ) {
+				return;
+			}
+
+			if ( valueIsFunction ) {
+				val = value.call( this, i, jQuery( this ).val() );
+			} else {
+				val = value;
+			}
+
+			// Treat null/undefined as ""; convert numbers to string
+			if ( val == null ) {
+				val = "";
+
+			} else if ( typeof val === "number" ) {
+				val += "";
+
+			} else if ( Array.isArray( val ) ) {
+				val = jQuery.map( val, function( value ) {
+					return value == null ? "" : value + "";
+				} );
+			}
+
+			hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
+
+			// If set returns undefined, fall back to normal setting
+			if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) {
+				this.value = val;
+			}
+		} );
 	}
 } );
 
+jQuery.extend( {
+	valHooks: {
+		option: {
+			get: function( elem ) {
 
-var location = window.location;
+				var val = jQuery.find.attr( elem, "value" );
+				return val != null ?
+					val :
 
-var nonce = jQuery.now();
+					// Support: IE <=10 - 11 only
+					// option.text throws exceptions (#14686, #14858)
+					// Strip and collapse whitespace
+					// https://html.spec.whatwg.org/#strip-and-collapse-whitespace
+					stripAndCollapse( jQuery.text( elem ) );
+			}
+		},
+		select: {
+			get: function( elem ) {
+				var value, option, i,
+					options = elem.options,
+					index = elem.selectedIndex,
+					one = elem.type === "select-one",
+					values = one ? null : [],
+					max = one ? index + 1 : options.length;
 
-var rquery = ( /\?/ );
+				if ( index < 0 ) {
+					i = max;
+
+				} else {
+					i = one ? index : 0;
+				}
 
+				// Loop through all the selected options
+				for ( ; i < max; i++ ) {
+					option = options[ i ];
 
+					// Support: IE <=9 only
+					// IE8-9 doesn't update selected after form reset (#2551)
+					if ( ( option.selected || i === index ) &&
 
-var rvalidtokens = /(,)|(\[|{)|(}|])|"(?:[^"\\\r\n]|\\["\\\/bfnrt]|\\u[\da-fA-F]{4})*"\s*:?|true|false|null|-?(?!0\d)\d+(?:\.\d+|)(?:[eE][+-]?\d+|)/g;
+							// Don't return options that are disabled or in a disabled optgroup
+							!option.disabled &&
+							( !option.parentNode.disabled ||
+								!nodeName( option.parentNode, "optgroup" ) ) ) {
+
+						// Get the specific value for the option
+						value = jQuery( option ).val();
+
+						// We don't need an array for one selects
+						if ( one ) {
+							return value;
+						}
 
-jQuery.parseJSON = function( data ) {
+						// Multi-Selects return an array
+						values.push( value );
+					}
+				}
 
-	// Attempt to parse using the native JSON parser first
-	if ( window.JSON && window.JSON.parse ) {
+				return values;
+			},
 
-		// Support: Android 2.3
-		// Workaround failure to string-cast null input
-		return window.JSON.parse( data + "" );
+			set: function( elem, value ) {
+				var optionSet, option,
+					options = elem.options,
+					values = jQuery.makeArray( value ),
+					i = options.length;
+
+				while ( i-- ) {
+					option = options[ i ];
+
+					/* eslint-disable no-cond-assign */
+
+					if ( option.selected =
+						jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1
+					) {
+						optionSet = true;
+					}
+
+					/* eslint-enable no-cond-assign */
+				}
+
+				// Force browsers to behave consistently when non-matching value is set
+				if ( !optionSet ) {
+					elem.selectedIndex = -1;
+				}
+				return values;
+			}
+		}
 	}
+} );
 
-	var requireNonComma,
-		depth = null,
-		str = jQuery.trim( data + "" );
+// Radios and checkboxes getter/setter
+jQuery.each( [ "radio", "checkbox" ], function() {
+	jQuery.valHooks[ this ] = {
+		set: function( elem, value ) {
+			if ( Array.isArray( value ) ) {
+				return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );
+			}
+		}
+	};
+	if ( !support.checkOn ) {
+		jQuery.valHooks[ this ].get = function( elem ) {
+			return elem.getAttribute( "value" ) === null ? "on" : elem.value;
+		};
+	}
+} );
+
+
+
+
+// Return jQuery for attributes-only inclusion
+
+
+support.focusin = "onfocusin" in window;
+
+
+var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
+	stopPropagationCallback = function( e ) {
+		e.stopPropagation();
+	};
+
+jQuery.extend( jQuery.event, {
 
-	// Guard against invalid (and possibly dangerous) input by ensuring that nothing remains
-	// after removing valid tokens
-	return str && !jQuery.trim( str.replace( rvalidtokens, function( token, comma, open, close ) {
+	trigger: function( event, data, elem, onlyHandlers ) {
 
-		// Force termination if we see a misplaced comma
-		if ( requireNonComma && comma ) {
-			depth = 0;
+		var i, cur, tmp, bubbleType, ontype, handle, special, lastElement,
+			eventPath = [ elem || document ],
+			type = hasOwn.call( event, "type" ) ? event.type : event,
+			namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : [];
+
+		cur = lastElement = tmp = elem = elem || document;
+
+		// Don't do events on text and comment nodes
+		if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
+			return;
 		}
 
-		// Perform no more replacements after returning to outermost depth
-		if ( depth === 0 ) {
-			return token;
+		// focus/blur morphs to focusin/out; ensure we're not firing them right now
+		if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
+			return;
 		}
 
-		// Commas must not follow "[", "{", or ","
-		requireNonComma = open || comma;
+		if ( type.indexOf( "." ) > -1 ) {
 
-		// Determine new depth
-		// array/object open ("[" or "{"): depth += true - false (increment)
-		// array/object close ("]" or "}"): depth += false - true (decrement)
-		// other cases ("," or primitive): depth += true - true (numeric cast)
-		depth += !close - !open;
+			// Namespaced trigger; create a regexp to match event type in handle()
+			namespaces = type.split( "." );
+			type = namespaces.shift();
+			namespaces.sort();
+		}
+		ontype = type.indexOf( ":" ) < 0 && "on" + type;
+
+		// Caller can pass in a jQuery.Event object, Object, or just an event type string
+		event = event[ jQuery.expando ] ?
+			event :
+			new jQuery.Event( type, typeof event === "object" && event );
+
+		// Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
+		event.isTrigger = onlyHandlers ? 2 : 3;
+		event.namespace = namespaces.join( "." );
+		event.rnamespace = event.namespace ?
+			new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) :
+			null;
+
+		// Clean up the event in case it is being reused
+		event.result = undefined;
+		if ( !event.target ) {
+			event.target = elem;
+		}
+
+		// Clone any incoming data and prepend the event, creating the handler arg list
+		data = data == null ?
+			[ event ] :
+			jQuery.makeArray( data, [ event ] );
+
+		// Allow special events to draw outside the lines
+		special = jQuery.event.special[ type ] || {};
+		if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
+			return;
+		}
+
+		// Determine event propagation path in advance, per W3C events spec (#9951)
+		// Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
+		if ( !onlyHandlers && !special.noBubble && !isWindow( elem ) ) {
+
+			bubbleType = special.delegateType || type;
+			if ( !rfocusMorph.test( bubbleType + type ) ) {
+				cur = cur.parentNode;
+			}
+			for ( ; cur; cur = cur.parentNode ) {
+				eventPath.push( cur );
+				tmp = cur;
+			}
+
+			// Only add window if we got to document (e.g., not plain obj or detached DOM)
+			if ( tmp === ( elem.ownerDocument || document ) ) {
+				eventPath.push( tmp.defaultView || tmp.parentWindow || window );
+			}
+		}
+
+		// Fire handlers on the event path
+		i = 0;
+		while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) {
+			lastElement = cur;
+			event.type = i > 1 ?
+				bubbleType :
+				special.bindType || type;
+
+			// jQuery handler
+			handle = ( dataPriv.get( cur, "events" ) || Object.create( null ) )[ event.type ] &&
+				dataPriv.get( cur, "handle" );
+			if ( handle ) {
+				handle.apply( cur, data );
+			}
+
+			// Native handler
+			handle = ontype && cur[ ontype ];
+			if ( handle && handle.apply && acceptData( cur ) ) {
+				event.result = handle.apply( cur, data );
+				if ( event.result === false ) {
+					event.preventDefault();
+				}
+			}
+		}
+		event.type = type;
+
+		// If nobody prevented the default action, do it now
+		if ( !onlyHandlers && !event.isDefaultPrevented() ) {
+
+			if ( ( !special._default ||
+				special._default.apply( eventPath.pop(), data ) === false ) &&
+				acceptData( elem ) ) {
+
+				// Call a native DOM method on the target with the same name as the event.
+				// Don't do default actions on window, that's where global variables be (#6170)
+				if ( ontype && isFunction( elem[ type ] ) && !isWindow( elem ) ) {
+
+					// Don't re-trigger an onFOO event when we call its FOO() method
+					tmp = elem[ ontype ];
+
+					if ( tmp ) {
+						elem[ ontype ] = null;
+					}
+
+					// Prevent re-triggering of the same event, since we already bubbled it above
+					jQuery.event.triggered = type;
+
+					if ( event.isPropagationStopped() ) {
+						lastElement.addEventListener( type, stopPropagationCallback );
+					}
+
+					elem[ type ]();
+
+					if ( event.isPropagationStopped() ) {
+						lastElement.removeEventListener( type, stopPropagationCallback );
+					}
+
+					jQuery.event.triggered = undefined;
+
+					if ( tmp ) {
+						elem[ ontype ] = tmp;
+					}
+				}
+			}
+		}
+
+		return event.result;
+	},
+
+	// Piggyback on a donor event to simulate a different one
+	// Used only for `focus(in | out)` events
+	simulate: function( type, elem, event ) {
+		var e = jQuery.extend(
+			new jQuery.Event(),
+			event,
+			{
+				type: type,
+				isSimulated: true
+			}
+		);
+
+		jQuery.event.trigger( e, null, elem );
+	}
+
+} );
+
+jQuery.fn.extend( {
+
+	trigger: function( type, data ) {
+		return this.each( function() {
+			jQuery.event.trigger( type, data, this );
+		} );
+	},
+	triggerHandler: function( type, data ) {
+		var elem = this[ 0 ];
+		if ( elem ) {
+			return jQuery.event.trigger( type, data, elem, true );
+		}
+	}
+} );
+
+
+// Support: Firefox <=44
+// Firefox doesn't have focus(in | out) events
+// Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
+//
+// Support: Chrome <=48 - 49, Safari <=9.0 - 9.1
+// focus(in | out) events fire after focus & blur events,
+// which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
+// Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857
+if ( !support.focusin ) {
+	jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
+
+		// Attach a single capturing handler on the document while someone wants focusin/focusout
+		var handler = function( event ) {
+			jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );
+		};
+
+		jQuery.event.special[ fix ] = {
+			setup: function() {
+
+				// Handle: regular nodes (via `this.ownerDocument`), window
+				// (via `this.document`) & document (via `this`).
+				var doc = this.ownerDocument || this.document || this,
+					attaches = dataPriv.access( doc, fix );
+
+				if ( !attaches ) {
+					doc.addEventListener( orig, handler, true );
+				}
+				dataPriv.access( doc, fix, ( attaches || 0 ) + 1 );
+			},
+			teardown: function() {
+				var doc = this.ownerDocument || this.document || this,
+					attaches = dataPriv.access( doc, fix ) - 1;
+
+				if ( !attaches ) {
+					doc.removeEventListener( orig, handler, true );
+					dataPriv.remove( doc, fix );
+
+				} else {
+					dataPriv.access( doc, fix, attaches );
+				}
+			}
+		};
+	} );
+}
+var location = window.location;
+
+var nonce = { guid: Date.now() };
+
+var rquery = ( /\?/ );
 
-		// Remove this token
-		return "";
-	} ) ) ?
-		( Function( "return " + str ) )() :
-		jQuery.error( "Invalid JSON: " + data );
-};
 
 
 // Cross-browser xml parsing
 jQuery.parseXML = function( data ) {
-	var xml, tmp;
+	var xml, parserErrorElem;
 	if ( !data || typeof data !== "string" ) {
 		return null;
 	}
+
+	// Support: IE 9 - 11 only
+	// IE throws on parseFromString with invalid input.
 	try {
-		if ( window.DOMParser ) { // Standard
-			tmp = new window.DOMParser();
-			xml = tmp.parseFromString( data, "text/xml" );
-		} else { // IE
-			xml = new window.ActiveXObject( "Microsoft.XMLDOM" );
-			xml.async = "false";
-			xml.loadXML( data );
+		xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" );
+	} catch ( e ) {}
+
+	parserErrorElem = xml && xml.getElementsByTagName( "parsererror" )[ 0 ];
+	if ( !xml || parserErrorElem ) {
+		jQuery.error( "Invalid XML: " + (
+			parserErrorElem ?
+				jQuery.map( parserErrorElem.childNodes, function( el ) {
+					return el.textContent;
+				} ).join( "\n" ) :
+				data
+		) );
+	}
+	return xml;
+};
+
+
+var
+	rbracket = /\[\]$/,
+	rCRLF = /\r?\n/g,
+	rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
+	rsubmittable = /^(?:input|select|textarea|keygen)/i;
+
+function buildParams( prefix, obj, traditional, add ) {
+	var name;
+
+	if ( Array.isArray( obj ) ) {
+
+		// Serialize array item.
+		jQuery.each( obj, function( i, v ) {
+			if ( traditional || rbracket.test( prefix ) ) {
+
+				// Treat each array item as a scalar.
+				add( prefix, v );
+
+			} else {
+
+				// Item is non-scalar (array or object), encode its numeric index.
+				buildParams(
+					prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]",
+					v,
+					traditional,
+					add
+				);
+			}
+		} );
+
+	} else if ( !traditional && toType( obj ) === "object" ) {
+
+		// Serialize object item.
+		for ( name in obj ) {
+			buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
 		}
-	} catch ( e ) {
-		xml = undefined;
+
+	} else {
+
+		// Serialize scalar item.
+		add( prefix, obj );
 	}
-	if ( !xml || !xml.documentElement || xml.getElementsByTagName( "parsererror" ).length ) {
-		jQuery.error( "Invalid XML: " + data );
+}
+
+// Serialize an array of form elements or a set of
+// key/values into a query string
+jQuery.param = function( a, traditional ) {
+	var prefix,
+		s = [],
+		add = function( key, valueOrFunction ) {
+
+			// If value is a function, invoke it and use its return value
+			var value = isFunction( valueOrFunction ) ?
+				valueOrFunction() :
+				valueOrFunction;
+
+			s[ s.length ] = encodeURIComponent( key ) + "=" +
+				encodeURIComponent( value == null ? "" : value );
+		};
+
+	if ( a == null ) {
+		return "";
 	}
-	return xml;
+
+	// If an array was passed in, assume that it is an array of form elements.
+	if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
+
+		// Serialize the form elements
+		jQuery.each( a, function() {
+			add( this.name, this.value );
+		} );
+
+	} else {
+
+		// If traditional, encode the "old" way (the way 1.3.2 or older
+		// did it), otherwise encode params recursively.
+		for ( prefix in a ) {
+			buildParams( prefix, a[ prefix ], traditional, add );
+		}
+	}
+
+	// Return the resulting serialization
+	return s.join( "&" );
 };
 
+jQuery.fn.extend( {
+	serialize: function() {
+		return jQuery.param( this.serializeArray() );
+	},
+	serializeArray: function() {
+		return this.map( function() {
+
+			// Can add propHook for "elements" to filter or add form elements
+			var elements = jQuery.prop( this, "elements" );
+			return elements ? jQuery.makeArray( elements ) : this;
+		} ).filter( function() {
+			var type = this.type;
+
+			// Use .is( ":disabled" ) so that fieldset[disabled] works
+			return this.name && !jQuery( this ).is( ":disabled" ) &&
+				rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
+				( this.checked || !rcheckableType.test( type ) );
+		} ).map( function( _i, elem ) {
+			var val = jQuery( this ).val();
+
+			if ( val == null ) {
+				return null;
+			}
+
+			if ( Array.isArray( val ) ) {
+				return jQuery.map( val, function( val ) {
+					return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
+				} );
+			}
+
+			return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
+		} ).get();
+	}
+} );
+
 
 var
+	r20 = /%20/g,
 	rhash = /#.*$/,
-	rts = /([?&])_=[^&]*/,
-
-	// IE leaves an \r character at EOL
-	rheaders = /^(.*?):[ \t]*([^\r\n]*)\r?$/mg,
+	rantiCache = /([?&])_=[^&]*/,
+	rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
 
 	// #7653, #8125, #8152: local protocol detection
 	rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
 	rnoContent = /^(?:GET|HEAD)$/,
 	rprotocol = /^\/\//,
-	rurl = /^([\w.+-]+:)(?:\/\/(?:[^\/?#]*@|)([^\/?#:]*)(?::(\d+)|)|)/,
 
 	/* Prefilters
 	 * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
@@ -9105,11 +9038,10 @@ var
 	// Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
 	allTypes = "*/".concat( "*" ),
 
-	// Document location
-	ajaxLocation = location.href,
+	// Anchor tag for parsing the document origin
+	originAnchor = document.createElement( "a" );
 
-	// Segment location into parts
-	ajaxLocParts = rurl.exec( ajaxLocation.toLowerCase() ) || [];
+originAnchor.href = location.href;
 
 // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
 function addToPrefiltersOrTransports( structure ) {
@@ -9124,15 +9056,15 @@ function addToPrefiltersOrTransports( structure ) {
 
 		var dataType,
 			i = 0,
-			dataTypes = dataTypeExpression.toLowerCase().match( rnotwhite ) || [];
+			dataTypes = dataTypeExpression.toLowerCase().match( rnothtmlwhite ) || [];
 
-		if ( jQuery.isFunction( func ) ) {
+		if ( isFunction( func ) ) {
 
 			// For each dataType in the dataTypeExpression
 			while ( ( dataType = dataTypes[ i++ ] ) ) {
 
 				// Prepend if requested
-				if ( dataType.charAt( 0 ) === "+" ) {
+				if ( dataType[ 0 ] === "+" ) {
 					dataType = dataType.slice( 1 ) || "*";
 					( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func );
 
@@ -9176,7 +9108,7 @@ function inspectPrefiltersOrTransports( structure, options, originalOptions, jqX
 // that takes "flat" options (not to be deep extended)
 // Fixes #9887
 function ajaxExtend( target, src ) {
-	var deep, key,
+	var key, deep,
 		flatOptions = jQuery.ajaxSettings.flatOptions || {};
 
 	for ( key in src ) {
@@ -9196,7 +9128,8 @@ function ajaxExtend( target, src ) {
  * - returns the corresponding response
  */
 function ajaxHandleResponses( s, jqXHR, responses ) {
-	var firstDataType, ct, finalDataType, type,
+
+	var ct, type, finalDataType, firstDataType,
 		contents = s.contents,
 		dataTypes = s.dataTypes;
 
@@ -9328,7 +9261,7 @@ function ajaxConvert( s, response, jqXHR, isSuccess ) {
 				if ( conv !== true ) {
 
 					// Unless errors are allowed to bubble, catch and return them
-					if ( conv && s[ "throws" ] ) { // jscs:ignore requireDotNotation
+					if ( conv && s.throws ) {
 						response = conv( response );
 					} else {
 						try {
@@ -9358,13 +9291,14 @@ jQuery.extend( {
 	etag: {},
 
 	ajaxSettings: {
-		url: ajaxLocation,
+		url: location.href,
 		type: "GET",
-		isLocal: rlocalProtocol.test( ajaxLocParts[ 1 ] ),
+		isLocal: rlocalProtocol.test( location.protocol ),
 		global: true,
 		processData: true,
 		async: true,
 		contentType: "application/x-www-form-urlencoded; charset=UTF-8",
+
 		/*
 		timeout: 0,
 		data: null,
@@ -9408,7 +9342,7 @@ jQuery.extend( {
 			"text html": true,
 
 			// Evaluate text as a json expression
-			"text json": jQuery.parseJSON,
+			"text json": JSON.parse,
 
 			// Parse text as xml
 			"text xml": jQuery.parseXML
@@ -9452,30 +9386,32 @@ jQuery.extend( {
 		// Force options to be an object
 		options = options || {};
 
-		var
-
-			// Cross-domain detection vars
-			parts,
-
-			// Loop variable
-			i,
+		var transport,
 
 			// URL without anti-cache param
 			cacheURL,
 
-			// Response headers as string
+			// Response headers
 			responseHeadersString,
+			responseHeaders,
 
 			// timeout handle
 			timeoutTimer,
 
+			// Url cleanup var
+			urlAnchor,
+
+			// Request state (becomes false upon send and true upon completion)
+			completed,
+
 			// To know if global events are to be dispatched
 			fireGlobals,
 
-			transport,
+			// Loop variable
+			i,
 
-			// Response headers
-			responseHeaders,
+			// uncached part of the url
+			uncached,
 
 			// Create the final options object
 			s = jQuery.ajaxSetup( {}, options ),
@@ -9486,8 +9422,8 @@ jQuery.extend( {
 			// Context for global events is callbackContext if it is a DOM node or jQuery collection
 			globalEventContext = s.context &&
 				( callbackContext.nodeType || callbackContext.jquery ) ?
-					jQuery( callbackContext ) :
-					jQuery.event,
+				jQuery( callbackContext ) :
+				jQuery.event,
 
 			// Deferreds
 			deferred = jQuery.Deferred(),
@@ -9500,9 +9436,6 @@ jQuery.extend( {
 			requestHeaders = {},
 			requestHeadersNames = {},
 
-			// The jqXHR state
-			state = 0,
-
 			// Default abort message
 			strAbort = "canceled",
 
@@ -9513,28 +9446,30 @@ jQuery.extend( {
 				// Builds headers hashtable if needed
 				getResponseHeader: function( key ) {
 					var match;
-					if ( state === 2 ) {
+					if ( completed ) {
 						if ( !responseHeaders ) {
 							responseHeaders = {};
 							while ( ( match = rheaders.exec( responseHeadersString ) ) ) {
-								responseHeaders[ match[ 1 ].toLowerCase() ] = match[ 2 ];
+								responseHeaders[ match[ 1 ].toLowerCase() + " " ] =
+									( responseHeaders[ match[ 1 ].toLowerCase() + " " ] || [] )
+										.concat( match[ 2 ] );
 							}
 						}
-						match = responseHeaders[ key.toLowerCase() ];
+						match = responseHeaders[ key.toLowerCase() + " " ];
 					}
-					return match == null ? null : match;
+					return match == null ? null : match.join( ", " );
 				},
 
 				// Raw string
 				getAllResponseHeaders: function() {
-					return state === 2 ? responseHeadersString : null;
+					return completed ? responseHeadersString : null;
 				},
 
 				// Caches the header
 				setRequestHeader: function( name, value ) {
-					var lname = name.toLowerCase();
-					if ( !state ) {
-						name = requestHeadersNames[ lname ] = requestHeadersNames[ lname ] || name;
+					if ( completed == null ) {
+						name = requestHeadersNames[ name.toLowerCase() ] =
+							requestHeadersNames[ name.toLowerCase() ] || name;
 						requestHeaders[ name ] = value;
 					}
 					return this;
@@ -9542,7 +9477,7 @@ jQuery.extend( {
 
 				// Overrides response content-type header
 				overrideMimeType: function( type ) {
-					if ( !state ) {
+					if ( completed == null ) {
 						s.mimeType = type;
 					}
 					return this;
@@ -9552,16 +9487,16 @@ jQuery.extend( {
 				statusCode: function( map ) {
 					var code;
 					if ( map ) {
-						if ( state < 2 ) {
-							for ( code in map ) {
-
-								// Lazy-add the new callback in a way that preserves old ones
-								statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
-							}
-						} else {
+						if ( completed ) {
 
 							// Execute the appropriate callbacks
 							jqXHR.always( map[ jqXHR.status ] );
+						} else {
+
+							// Lazy-add the new callbacks in a way that preserves old ones
+							for ( code in map ) {
+								statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
+							}
 						}
 					}
 					return this;
@@ -9579,32 +9514,41 @@ jQuery.extend( {
 			};
 
 		// Attach deferreds
-		deferred.promise( jqXHR ).complete = completeDeferred.add;
-		jqXHR.success = jqXHR.done;
-		jqXHR.error = jqXHR.fail;
+		deferred.promise( jqXHR );
 
-		// Remove hash character (#7531: and string promotion)
-		// Add protocol if not provided (#5866: IE7 issue with protocol-less urls)
+		// Add protocol if not provided (prefilters might expect it)
 		// Handle falsy url in the settings object (#10093: consistency with old signature)
 		// We also use the url parameter if available
-		s.url = ( ( url || s.url || ajaxLocation ) + "" )
-			.replace( rhash, "" )
-			.replace( rprotocol, ajaxLocParts[ 1 ] + "//" );
+		s.url = ( ( url || s.url || location.href ) + "" )
+			.replace( rprotocol, location.protocol + "//" );
 
 		// Alias method option to type as per ticket #12004
 		s.type = options.method || options.type || s.method || s.type;
 
 		// Extract dataTypes list
-		s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().match( rnotwhite ) || [ "" ];
+		s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnothtmlwhite ) || [ "" ];
 
-		// A cross-domain request is in order when we have a protocol:host:port mismatch
+		// A cross-domain request is in order when the origin doesn't match the current origin.
 		if ( s.crossDomain == null ) {
-			parts = rurl.exec( s.url.toLowerCase() );
-			s.crossDomain = !!( parts &&
-				( parts[ 1 ] !== ajaxLocParts[ 1 ] || parts[ 2 ] !== ajaxLocParts[ 2 ] ||
-					( parts[ 3 ] || ( parts[ 1 ] === "http:" ? "80" : "443" ) ) !==
-						( ajaxLocParts[ 3 ] || ( ajaxLocParts[ 1 ] === "http:" ? "80" : "443" ) ) )
-			);
+			urlAnchor = document.createElement( "a" );
+
+			// Support: IE <=8 - 11, Edge 12 - 15
+			// IE throws exception on accessing the href property if url is malformed,
+			// e.g. http://example.com:80x/
+			try {
+				urlAnchor.href = s.url;
+
+				// Support: IE <=8 - 11 only
+				// Anchor's host property isn't correctly set when s.url is relative
+				urlAnchor.href = urlAnchor.href;
+				s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !==
+					urlAnchor.protocol + "//" + urlAnchor.host;
+			} catch ( e ) {
+
+				// If there is an error parsing the URL, assume it is crossDomain,
+				// it can be rejected by the transport if it is invalid
+				s.crossDomain = true;
+			}
 		}
 
 		// Convert data if not already a string
@@ -9616,7 +9560,7 @@ jQuery.extend( {
 		inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
 
 		// If request was aborted inside a prefilter, stop there
-		if ( state === 2 ) {
+		if ( completed ) {
 			return jqXHR;
 		}
 
@@ -9637,29 +9581,37 @@ jQuery.extend( {
 
 		// Save the URL in case we're toying with the If-Modified-Since
 		// and/or If-None-Match header later on
-		cacheURL = s.url;
+		// Remove hash to simplify url manipulation
+		cacheURL = s.url.replace( rhash, "" );
 
 		// More options handling for requests with no content
 		if ( !s.hasContent ) {
 
-			// If data is available, append data to url
-			if ( s.data ) {
-				cacheURL = ( s.url += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data );
+			// Remember the hash so we can put it back
+			uncached = s.url.slice( cacheURL.length );
+
+			// If data is available and should be processed, append data to url
+			if ( s.data && ( s.processData || typeof s.data === "string" ) ) {
+				cacheURL += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data;
 
 				// #9682: remove data so that it's not used in an eventual retry
 				delete s.data;
 			}
 
-			// Add anti-cache in url if needed
+			// Add or update anti-cache param if needed
 			if ( s.cache === false ) {
-				s.url = rts.test( cacheURL ) ?
+				cacheURL = cacheURL.replace( rantiCache, "$1" );
+				uncached = ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ( nonce.guid++ ) +
+					uncached;
+			}
 
-					// If there is already a '_' parameter, set its value
-					cacheURL.replace( rts, "$1_=" + nonce++ ) :
+			// Put hash and anti-cache on the URL that will be requested (gh-1732)
+			s.url = cacheURL + uncached;
 
-					// Otherwise add one to the end
-					cacheURL + ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + nonce++;
-			}
+		// Change '%20' to '+' if this is encoded form body content (gh-2658)
+		} else if ( s.data && s.processData &&
+			( s.contentType || "" ).indexOf( "application/x-www-form-urlencoded" ) === 0 ) {
+			s.data = s.data.replace( r20, "+" );
 		}
 
 		// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
@@ -9693,19 +9645,19 @@ jQuery.extend( {
 
 		// Allow custom headers/mimetypes and early abort
 		if ( s.beforeSend &&
-			( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) {
+			( s.beforeSend.call( callbackContext, jqXHR, s ) === false || completed ) ) {
 
 			// Abort if not done already and return
 			return jqXHR.abort();
 		}
 
-		// aborting is no longer a cancellation
+		// Aborting is no longer a cancellation
 		strAbort = "abort";
 
 		// Install callbacks on deferreds
-		for ( i in { success: 1, error: 1, complete: 1 } ) {
-			jqXHR[ i ]( s[ i ] );
-		}
+		completeDeferred.add( s.complete );
+		jqXHR.done( s.success );
+		jqXHR.fail( s.error );
 
 		// Get transport
 		transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
@@ -9722,7 +9674,7 @@ jQuery.extend( {
 			}
 
 			// If request was aborted inside ajaxSend, stop there
-			if ( state === 2 ) {
+			if ( completed ) {
 				return jqXHR;
 			}
 
@@ -9734,18 +9686,17 @@ jQuery.extend( {
 			}
 
 			try {
-				state = 1;
+				completed = false;
 				transport.send( requestHeaders, done );
 			} catch ( e ) {
 
-				// Propagate exception as error if not done
-				if ( state < 2 ) {
-					done( -1, e );
-
-				// Simply rethrow otherwise
-				} else {
+				// Rethrow post-completion exceptions
+				if ( completed ) {
 					throw e;
 				}
+
+				// Propagate others as results
+				done( -1, e );
 			}
 		}
 
@@ -9754,13 +9705,12 @@ jQuery.extend( {
 			var isSuccess, success, error, response, modified,
 				statusText = nativeStatusText;
 
-			// Called once
-			if ( state === 2 ) {
+			// Ignore repeat invocations
+			if ( completed ) {
 				return;
 			}
 
-			// State is "done" now
-			state = 2;
+			completed = true;
 
 			// Clear timeout if it exists
 			if ( timeoutTimer ) {
@@ -9785,6 +9735,13 @@ jQuery.extend( {
 				response = ajaxHandleResponses( s, jqXHR, responses );
 			}
 
+			// Use a noop converter for missing script but not if jsonp
+			if ( !isSuccess &&
+				jQuery.inArray( "script", s.dataTypes ) > -1 &&
+				jQuery.inArray( "json", s.dataTypes ) < 0 ) {
+				s.converters[ "text script" ] = function() {};
+			}
+
 			// Convert no matter what (that way responseXXX fields are always set)
 			response = ajaxConvert( s, response, jqXHR, isSuccess );
 
@@ -9820,8 +9777,7 @@ jQuery.extend( {
 				}
 			} else {
 
-				// We extract error from statusText
-				// then normalize statusText and status for non-aborts
+				// Extract error from statusText and normalize for non-aborts
 				error = statusText;
 				if ( status || !statusText ) {
 					statusText = "error";
@@ -9876,11 +9832,11 @@ jQuery.extend( {
 	}
 } );
 
-jQuery.each( [ "get", "post" ], function( i, method ) {
+jQuery.each( [ "get", "post" ], function( _i, method ) {
 	jQuery[ method ] = function( url, data, callback, type ) {
 
-		// shift arguments if data argument was omitted
-		if ( jQuery.isFunction( data ) ) {
+		// Shift arguments if data argument was omitted
+		if ( isFunction( data ) ) {
 			type = type || callback;
 			callback = data;
 			data = undefined;
@@ -9897,8 +9853,17 @@ jQuery.each( [ "get", "post" ], function( i, method ) {
 	};
 } );
 
+jQuery.ajaxPrefilter( function( s ) {
+	var i;
+	for ( i in s.headers ) {
+		if ( i.toLowerCase() === "content-type" ) {
+			s.contentType = s.headers[ i ] || "";
+		}
+	}
+} );
+
 
-jQuery._evalUrl = function( url ) {
+jQuery._evalUrl = function( url, options, doc ) {
 	return jQuery.ajax( {
 		url: url,
 
@@ -9908,23 +9873,31 @@ jQuery._evalUrl = function( url ) {
 		cache: true,
 		async: false,
 		global: false,
-		"throws": true
+
+		// Only evaluate the response if it is successful (gh-4126)
+		// dataFilter is not invoked for failure responses, so using it instead
+		// of the default converter is kludgy but it works.
+		converters: {
+			"text script": function() {}
+		},
+		dataFilter: function( response ) {
+			jQuery.globalEval( response, options, doc );
+		}
 	} );
 };
 
 
 jQuery.fn.extend( {
 	wrapAll: function( html ) {
-		if ( jQuery.isFunction( html ) ) {
-			return this.each( function( i ) {
-				jQuery( this ).wrapAll( html.call( this, i ) );
-			} );
-		}
+		var wrap;
 
 		if ( this[ 0 ] ) {
+			if ( isFunction( html ) ) {
+				html = html.call( this[ 0 ] );
+			}
 
 			// The elements to wrap the target around
-			var wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
+			wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
 
 			if ( this[ 0 ].parentNode ) {
 				wrap.insertBefore( this[ 0 ] );
@@ -9933,8 +9906,8 @@ jQuery.fn.extend( {
 			wrap.map( function() {
 				var elem = this;
 
-				while ( elem.firstChild && elem.firstChild.nodeType === 1 ) {
-					elem = elem.firstChild;
+				while ( elem.firstElementChild ) {
+					elem = elem.firstElementChild;
 				}
 
 				return elem;
@@ -9945,7 +9918,7 @@ jQuery.fn.extend( {
 	},
 
 	wrapInner: function( html ) {
-		if ( jQuery.isFunction( html ) ) {
+		if ( isFunction( html ) ) {
 			return this.each( function( i ) {
 				jQuery( this ).wrapInner( html.call( this, i ) );
 			} );
@@ -9965,398 +9938,202 @@ jQuery.fn.extend( {
 	},
 
 	wrap: function( html ) {
-		var isFunction = jQuery.isFunction( html );
+		var htmlIsFunction = isFunction( html );
 
 		return this.each( function( i ) {
-			jQuery( this ).wrapAll( isFunction ? html.call( this, i ) : html );
+			jQuery( this ).wrapAll( htmlIsFunction ? html.call( this, i ) : html );
 		} );
 	},
 
-	unwrap: function() {
-		return this.parent().each( function() {
-			if ( !jQuery.nodeName( this, "body" ) ) {
-				jQuery( this ).replaceWith( this.childNodes );
-			}
-		} ).end();
+	unwrap: function( selector ) {
+		this.parent( selector ).not( "body" ).each( function() {
+			jQuery( this ).replaceWith( this.childNodes );
+		} );
+		return this;
 	}
 } );
 
 
-function getDisplay( elem ) {
-	return elem.style && elem.style.display || jQuery.css( elem, "display" );
-}
-
-function filterHidden( elem ) {
-
-	// Disconnected elements are considered hidden
-	if ( !jQuery.contains( elem.ownerDocument || document, elem ) ) {
-		return true;
-	}
-	while ( elem && elem.nodeType === 1 ) {
-		if ( getDisplay( elem ) === "none" || elem.type === "hidden" ) {
-			return true;
-		}
-		elem = elem.parentNode;
-	}
-	return false;
-}
-
-jQuery.expr.filters.hidden = function( elem ) {
-
-	// Support: Opera <= 12.12
-	// Opera reports offsetWidths and offsetHeights less than zero on some elements
-	return support.reliableHiddenOffsets() ?
-		( elem.offsetWidth <= 0 && elem.offsetHeight <= 0 &&
-			!elem.getClientRects().length ) :
-			filterHidden( elem );
+jQuery.expr.pseudos.hidden = function( elem ) {
+	return !jQuery.expr.pseudos.visible( elem );
 };
-
-jQuery.expr.filters.visible = function( elem ) {
-	return !jQuery.expr.filters.hidden( elem );
+jQuery.expr.pseudos.visible = function( elem ) {
+	return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length );
 };
 
 
 
 
-var r20 = /%20/g,
-	rbracket = /\[\]$/,
-	rCRLF = /\r?\n/g,
-	rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
-	rsubmittable = /^(?:input|select|textarea|keygen)/i;
-
-function buildParams( prefix, obj, traditional, add ) {
-	var name;
-
-	if ( jQuery.isArray( obj ) ) {
-
-		// Serialize array item.
-		jQuery.each( obj, function( i, v ) {
-			if ( traditional || rbracket.test( prefix ) ) {
-
-				// Treat each array item as a scalar.
-				add( prefix, v );
-
-			} else {
-
-				// Item is non-scalar (array or object), encode its numeric index.
-				buildParams(
-					prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]",
-					v,
-					traditional,
-					add
-				);
-			}
-		} );
-
-	} else if ( !traditional && jQuery.type( obj ) === "object" ) {
-
-		// Serialize object item.
-		for ( name in obj ) {
-			buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
-		}
-
-	} else {
-
-		// Serialize scalar item.
-		add( prefix, obj );
-	}
-}
-
-// Serialize an array of form elements or a set of
-// key/values into a query string
-jQuery.param = function( a, traditional ) {
-	var prefix,
-		s = [],
-		add = function( key, value ) {
-
-			// If value is a function, invoke it and return its value
-			value = jQuery.isFunction( value ) ? value() : ( value == null ? "" : value );
-			s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value );
-		};
-
-	// Set traditional to true for jQuery <= 1.3.2 behavior.
-	if ( traditional === undefined ) {
-		traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional;
-	}
-
-	// If an array was passed in, assume that it is an array of form elements.
-	if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
-
-		// Serialize the form elements
-		jQuery.each( a, function() {
-			add( this.name, this.value );
-		} );
-
-	} else {
-
-		// If traditional, encode the "old" way (the way 1.3.2 or older
-		// did it), otherwise encode params recursively.
-		for ( prefix in a ) {
-			buildParams( prefix, a[ prefix ], traditional, add );
-		}
-	}
-
-	// Return the resulting serialization
-	return s.join( "&" ).replace( r20, "+" );
+jQuery.ajaxSettings.xhr = function() {
+	try {
+		return new window.XMLHttpRequest();
+	} catch ( e ) {}
 };
 
-jQuery.fn.extend( {
-	serialize: function() {
-		return jQuery.param( this.serializeArray() );
-	},
-	serializeArray: function() {
-		return this.map( function() {
-
-			// Can add propHook for "elements" to filter or add form elements
-			var elements = jQuery.prop( this, "elements" );
-			return elements ? jQuery.makeArray( elements ) : this;
-		} )
-		.filter( function() {
-			var type = this.type;
-
-			// Use .is(":disabled") so that fieldset[disabled] works
-			return this.name && !jQuery( this ).is( ":disabled" ) &&
-				rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
-				( this.checked || !rcheckableType.test( type ) );
-		} )
-		.map( function( i, elem ) {
-			var val = jQuery( this ).val();
-
-			return val == null ?
-				null :
-				jQuery.isArray( val ) ?
-					jQuery.map( val, function( val ) {
-						return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
-					} ) :
-					{ name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
-		} ).get();
-	}
-} );
-
+var xhrSuccessStatus = {
 
-// Create the request object
-// (This is still attached to ajaxSettings for backward compatibility)
-jQuery.ajaxSettings.xhr = window.ActiveXObject !== undefined ?
-
-	// Support: IE6-IE8
-	function() {
-
-		// XHR cannot access local files, always use ActiveX for that case
-		if ( this.isLocal ) {
-			return createActiveXHR();
-		}
-
-		// Support: IE 9-11
-		// IE seems to error on cross-domain PATCH requests when ActiveX XHR
-		// is used. In IE 9+ always use the native XHR.
-		// Note: this condition won't catch Edge as it doesn't define
-		// document.documentMode but it also doesn't support ActiveX so it won't
-		// reach this code.
-		if ( document.documentMode > 8 ) {
-			return createStandardXHR();
-		}
-
-		// Support: IE<9
-		// oldIE XHR does not support non-RFC2616 methods (#13240)
-		// See http://msdn.microsoft.com/en-us/library/ie/ms536648(v=vs.85).aspx
-		// and http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9
-		// Although this check for six methods instead of eight
-		// since IE also does not support "trace" and "connect"
-		return /^(get|post|head|put|delete|options)$/i.test( this.type ) &&
-			createStandardXHR() || createActiveXHR();
-	} :
+		// File protocol always yields status code 0, assume 200
+		0: 200,
 
-	// For all other browsers, use the standard XMLHttpRequest object
-	createStandardXHR;
-
-var xhrId = 0,
-	xhrCallbacks = {},
+		// Support: IE <=9 only
+		// #1450: sometimes IE returns 1223 when it should be 204
+		1223: 204
+	},
 	xhrSupported = jQuery.ajaxSettings.xhr();
 
-// Support: IE<10
-// Open requests must be manually aborted on unload (#5280)
-// See https://support.microsoft.com/kb/2856746 for more info
-if ( window.attachEvent ) {
-	window.attachEvent( "onunload", function() {
-		for ( var key in xhrCallbacks ) {
-			xhrCallbacks[ key ]( undefined, true );
-		}
-	} );
-}
-
-// Determine support properties
 support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
-xhrSupported = support.ajax = !!xhrSupported;
+support.ajax = xhrSupported = !!xhrSupported;
 
-// Create transport if the browser can provide an xhr
-if ( xhrSupported ) {
+jQuery.ajaxTransport( function( options ) {
+	var callback, errorCallback;
 
-	jQuery.ajaxTransport( function( options ) {
-
-		// Cross domain only allowed if supported through XMLHttpRequest
-		if ( !options.crossDomain || support.cors ) {
-
-			var callback;
-
-			return {
-				send: function( headers, complete ) {
-					var i,
-						xhr = options.xhr(),
-						id = ++xhrId;
-
-					// Open the socket
-					xhr.open(
-						options.type,
-						options.url,
-						options.async,
-						options.username,
-						options.password
-					);
-
-					// Apply custom fields if provided
-					if ( options.xhrFields ) {
-						for ( i in options.xhrFields ) {
-							xhr[ i ] = options.xhrFields[ i ];
-						}
-					}
-
-					// Override mime type if needed
-					if ( options.mimeType && xhr.overrideMimeType ) {
-						xhr.overrideMimeType( options.mimeType );
-					}
-
-					// X-Requested-With header
-					// For cross-domain requests, seeing as conditions for a preflight are
-					// akin to a jigsaw puzzle, we simply never set it to be sure.
-					// (it can always be set on a per-request basis or even using ajaxSetup)
-					// For same-domain requests, won't change header if already provided.
-					if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) {
-						headers[ "X-Requested-With" ] = "XMLHttpRequest";
-					}
+	// Cross domain only allowed if supported through XMLHttpRequest
+	if ( support.cors || xhrSupported && !options.crossDomain ) {
+		return {
+			send: function( headers, complete ) {
+				var i,
+					xhr = options.xhr();
+
+				xhr.open(
+					options.type,
+					options.url,
+					options.async,
+					options.username,
+					options.password
+				);
 
-					// Set headers
-					for ( i in headers ) {
-
-						// Support: IE<9
-						// IE's ActiveXObject throws a 'Type Mismatch' exception when setting
-						// request header to a null-value.
-						//
-						// To keep consistent with other XHR implementations, cast the value
-						// to string and ignore `undefined`.
-						if ( headers[ i ] !== undefined ) {
-							xhr.setRequestHeader( i, headers[ i ] + "" );
-						}
+				// Apply custom fields if provided
+				if ( options.xhrFields ) {
+					for ( i in options.xhrFields ) {
+						xhr[ i ] = options.xhrFields[ i ];
 					}
+				}
 
-					// Do send the request
-					// This may raise an exception which is actually
-					// handled in jQuery.ajax (so no try/catch here)
-					xhr.send( ( options.hasContent && options.data ) || null );
+				// Override mime type if needed
+				if ( options.mimeType && xhr.overrideMimeType ) {
+					xhr.overrideMimeType( options.mimeType );
+				}
 
-					// Listener
-					callback = function( _, isAbort ) {
-						var status, statusText, responses;
+				// X-Requested-With header
+				// For cross-domain requests, seeing as conditions for a preflight are
+				// akin to a jigsaw puzzle, we simply never set it to be sure.
+				// (it can always be set on a per-request basis or even using ajaxSetup)
+				// For same-domain requests, won't change header if already provided.
+				if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) {
+					headers[ "X-Requested-With" ] = "XMLHttpRequest";
+				}
 
-						// Was never called and is aborted or complete
-						if ( callback && ( isAbort || xhr.readyState === 4 ) ) {
+				// Set headers
+				for ( i in headers ) {
+					xhr.setRequestHeader( i, headers[ i ] );
+				}
 
-							// Clean up
-							delete xhrCallbacks[ id ];
-							callback = undefined;
-							xhr.onreadystatechange = jQuery.noop;
+				// Callback
+				callback = function( type ) {
+					return function() {
+						if ( callback ) {
+							callback = errorCallback = xhr.onload =
+								xhr.onerror = xhr.onabort = xhr.ontimeout =
+									xhr.onreadystatechange = null;
+
+							if ( type === "abort" ) {
+								xhr.abort();
+							} else if ( type === "error" ) {
+
+								// Support: IE <=9 only
+								// On a manual native abort, IE9 throws
+								// errors on any property access that is not readyState
+								if ( typeof xhr.status !== "number" ) {
+									complete( 0, "error" );
+								} else {
+									complete(
 
-							// Abort manually if needed
-							if ( isAbort ) {
-								if ( xhr.readyState !== 4 ) {
-									xhr.abort();
+										// File: protocol always yields status 0; see #8605, #14207
+										xhr.status,
+										xhr.statusText
+									);
 								}
 							} else {
-								responses = {};
-								status = xhr.status;
-
-								// Support: IE<10
-								// Accessing binary-data responseText throws an exception
-								// (#11426)
-								if ( typeof xhr.responseText === "string" ) {
-									responses.text = xhr.responseText;
-								}
-
-								// Firefox throws an exception when accessing
-								// statusText for faulty cross-domain requests
-								try {
-									statusText = xhr.statusText;
-								} catch ( e ) {
-
-									// We normalize with Webkit giving an empty statusText
-									statusText = "";
-								}
-
-								// Filter status for non standard behaviors
-
-								// If the request is local and we have data: assume a success
-								// (success with no data won't get notified, that's the best we
-								// can do given current implementations)
-								if ( !status && options.isLocal && !options.crossDomain ) {
-									status = responses.text ? 200 : 404;
-
-								// IE - #1450: sometimes returns 1223 when it should be 204
-								} else if ( status === 1223 ) {
-									status = 204;
-								}
+								complete(
+									xhrSuccessStatus[ xhr.status ] || xhr.status,
+									xhr.statusText,
+
+									// Support: IE <=9 only
+									// IE9 has no XHR2 but throws on binary (trac-11426)
+									// For XHR2 non-text, let the caller handle it (gh-2498)
+									( xhr.responseType || "text" ) !== "text"  ||
+									typeof xhr.responseText !== "string" ?
+										{ binary: xhr.response } :
+										{ text: xhr.responseText },
+									xhr.getAllResponseHeaders()
+								);
 							}
 						}
+					};
+				};
+
+				// Listen to events
+				xhr.onload = callback();
+				errorCallback = xhr.onerror = xhr.ontimeout = callback( "error" );
 
-						// Call complete if needed
-						if ( responses ) {
-							complete( status, statusText, responses, xhr.getAllResponseHeaders() );
+				// Support: IE 9 only
+				// Use onreadystatechange to replace onabort
+				// to handle uncaught aborts
+				if ( xhr.onabort !== undefined ) {
+					xhr.onabort = errorCallback;
+				} else {
+					xhr.onreadystatechange = function() {
+
+						// Check readyState before timeout as it changes
+						if ( xhr.readyState === 4 ) {
+
+							// Allow onerror to be called first,
+							// but that will not handle a native abort
+							// Also, save errorCallback to a variable
+							// as xhr.onerror cannot be accessed
+							window.setTimeout( function() {
+								if ( callback ) {
+									errorCallback();
+								}
+							} );
 						}
 					};
+				}
 
-					// Do send the request
-					// `xhr.send` may raise an exception, but it will be
-					// handled in jQuery.ajax (so no try/catch here)
-					if ( !options.async ) {
-
-						// If we're in sync mode we fire the callback
-						callback();
-					} else if ( xhr.readyState === 4 ) {
+				// Create the abort callback
+				callback = callback( "abort" );
 
-						// (IE6 & IE7) if it's in cache and has been
-						// retrieved directly we need to fire the callback
-						window.setTimeout( callback );
-					} else {
+				try {
 
-						// Register the callback, but delay it in case `xhr.send` throws
-						// Add to the list of active xhr callbacks
-						xhr.onreadystatechange = xhrCallbacks[ id ] = callback;
-					}
-				},
+					// Do send the request (this may raise an exception)
+					xhr.send( options.hasContent && options.data || null );
+				} catch ( e ) {
 
-				abort: function() {
+					// #14683: Only rethrow if this hasn't been notified as an error yet
 					if ( callback ) {
-						callback( undefined, true );
+						throw e;
 					}
 				}
-			};
-		}
-	} );
-}
+			},
 
-// Functions to create xhrs
-function createStandardXHR() {
-	try {
-		return new window.XMLHttpRequest();
-	} catch ( e ) {}
-}
+			abort: function() {
+				if ( callback ) {
+					callback();
+				}
+			}
+		};
+	}
+} );
 
-function createActiveXHR() {
-	try {
-		return new window.ActiveXObject( "Microsoft.XMLHTTP" );
-	} catch ( e ) {}
-}
 
 
 
+// Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432)
+jQuery.ajaxPrefilter( function( s ) {
+	if ( s.crossDomain ) {
+		s.contents.script = false;
+	}
+} );
 
 // Install script dataType
 jQuery.ajaxSetup( {
@@ -10375,71 +10152,41 @@ jQuery.ajaxSetup( {
 	}
 } );
 
-// Handle cache's special case and global
+// Handle cache's special case and crossDomain
 jQuery.ajaxPrefilter( "script", function( s ) {
 	if ( s.cache === undefined ) {
 		s.cache = false;
 	}
 	if ( s.crossDomain ) {
 		s.type = "GET";
-		s.global = false;
 	}
 } );
 
 // Bind script tag hack transport
 jQuery.ajaxTransport( "script", function( s ) {
 
-	// This transport only deals with cross domain requests
-	if ( s.crossDomain ) {
-
-		var script,
-			head = document.head || jQuery( "head" )[ 0 ] || document.documentElement;
-
+	// This transport only deals with cross domain or forced-by-attrs requests
+	if ( s.crossDomain || s.scriptAttrs ) {
+		var script, callback;
 		return {
-
-			send: function( _, callback ) {
-
-				script = document.createElement( "script" );
-
-				script.async = true;
-
-				if ( s.scriptCharset ) {
-					script.charset = s.scriptCharset;
-				}
-
-				script.src = s.url;
-
-				// Attach handlers for all browsers
-				script.onload = script.onreadystatechange = function( _, isAbort ) {
-
-					if ( isAbort || !script.readyState || /loaded|complete/.test( script.readyState ) ) {
-
-						// Handle memory leak in IE
-						script.onload = script.onreadystatechange = null;
-
-						// Remove the script
-						if ( script.parentNode ) {
-							script.parentNode.removeChild( script );
+			send: function( _, complete ) {
+				script = jQuery( "<script>" )
+					.attr( s.scriptAttrs || {} )
+					.prop( { charset: s.scriptCharset, src: s.url } )
+					.on( "load error", callback = function( evt ) {
+						script.remove();
+						callback = null;
+						if ( evt ) {
+							complete( evt.type === "error" ? 404 : 200, evt.type );
 						}
+					} );
 
-						// Dereference the script
-						script = null;
-
-						// Callback if not abort
-						if ( !isAbort ) {
-							callback( 200, "success" );
-						}
-					}
-				};
-
-				// Circumvent IE6 bugs with base elements (#2709 and #4378) by prepending
 				// Use native DOM manipulation to avoid our domManip AJAX trickery
-				head.insertBefore( script, head.firstChild );
+				document.head.appendChild( script[ 0 ] );
 			},
-
 			abort: function() {
-				if ( script ) {
-					script.onload( undefined, true );
+				if ( callback ) {
+					callback();
 				}
 			}
 		};
@@ -10456,7 +10203,7 @@ var oldCallbacks = [],
 jQuery.ajaxSetup( {
 	jsonp: "callback",
 	jsonpCallback: function() {
-		var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) );
+		var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce.guid++ ) );
 		this[ callback ] = true;
 		return callback;
 	}
@@ -10478,7 +10225,7 @@ jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
 	if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
 
 		// Get callback name, remembering preexisting value associated with it
-		callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?
+		callbackName = s.jsonpCallback = isFunction( s.jsonpCallback ) ?
 			s.jsonpCallback() :
 			s.jsonpCallback;
 
@@ -10497,7 +10244,7 @@ jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
 			return responseContainer[ 0 ];
 		};
 
-		// force json dataType
+		// Force json dataType
 		s.dataTypes[ 0 ] = "json";
 
 		// Install callback
@@ -10521,15 +10268,15 @@ jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
 			// Save back as free
 			if ( s[ callbackName ] ) {
 
-				// make sure that re-using the options doesn't screw things around
+				// Make sure that re-using the options doesn't screw things around
 				s.jsonpCallback = originalSettings.jsonpCallback;
 
-				// save the callback name for future use
+				// Save the callback name for future use
 				oldCallbacks.push( callbackName );
 			}
 
 			// Call if it was a function and we have a response
-			if ( responseContainer && jQuery.isFunction( overwritten ) ) {
+			if ( responseContainer && isFunction( overwritten ) ) {
 				overwritten( responseContainer[ 0 ] );
 			}
 
@@ -10544,22 +10291,53 @@ jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
 
 
 
-// data: string of html
+// Support: Safari 8 only
+// In Safari 8 documents created via document.implementation.createHTMLDocument
+// collapse sibling forms: the second one becomes a child of the first one.
+// Because of that, this security measure has to be disabled in Safari 8.
+// https://bugs.webkit.org/show_bug.cgi?id=137337
+support.createHTMLDocument = ( function() {
+	var body = document.implementation.createHTMLDocument( "" ).body;
+	body.innerHTML = "<form></form><form></form>";
+	return body.childNodes.length === 2;
+} )();
+
+
+// Argument "data" should be string of html
 // context (optional): If specified, the fragment will be created in this context,
 // defaults to document
 // keepScripts (optional): If true, will include scripts passed in the html string
 jQuery.parseHTML = function( data, context, keepScripts ) {
-	if ( !data || typeof data !== "string" ) {
-		return null;
+	if ( typeof data !== "string" ) {
+		return [];
 	}
 	if ( typeof context === "boolean" ) {
 		keepScripts = context;
 		context = false;
 	}
-	context = context || document;
 
-	var parsed = rsingleTag.exec( data ),
-		scripts = !keepScripts && [];
+	var base, parsed, scripts;
+
+	if ( !context ) {
+
+		// Stop scripts or inline event handlers from being executed immediately
+		// by using document.implementation
+		if ( support.createHTMLDocument ) {
+			context = document.implementation.createHTMLDocument( "" );
+
+			// Set the base href for the created document
+			// so any parsed elements with URLs
+			// are based on the document's URL (gh-2965)
+			base = context.createElement( "base" );
+			base.href = document.location.href;
+			context.head.appendChild( base );
+		} else {
+			context = document;
+		}
+	}
+
+	parsed = rsingleTag.exec( data );
+	scripts = !keepScripts && [];
 
 	// Single tag
 	if ( parsed ) {
@@ -10576,28 +10354,21 @@ jQuery.parseHTML = function( data, context, keepScripts ) {
 };
 
 
-// Keep a copy of the old load method
-var _load = jQuery.fn.load;
-
 /**
  * Load a url into a page
  */
 jQuery.fn.load = function( url, params, callback ) {
-	if ( typeof url !== "string" && _load ) {
-		return _load.apply( this, arguments );
-	}
-
 	var selector, type, response,
 		self = this,
 		off = url.indexOf( " " );
 
 	if ( off > -1 ) {
-		selector = jQuery.trim( url.slice( off, url.length ) );
+		selector = stripAndCollapse( url.slice( off ) );
 		url = url.slice( 0, off );
 	}
 
 	// If it's a function
-	if ( jQuery.isFunction( params ) ) {
+	if ( isFunction( params ) ) {
 
 		// We assume that it's the callback
 		callback = params;
@@ -10649,24 +10420,7 @@ jQuery.fn.load = function( url, params, callback ) {
 
 
 
-// Attach a bunch of functions for handling common AJAX events
-jQuery.each( [
-	"ajaxStart",
-	"ajaxStop",
-	"ajaxComplete",
-	"ajaxError",
-	"ajaxSuccess",
-	"ajaxSend"
-], function( i, type ) {
-	jQuery.fn[ type ] = function( fn ) {
-		return this.on( type, fn );
-	};
-} );
-
-
-
-
-jQuery.expr.filters.animated = function( elem ) {
+jQuery.expr.pseudos.animated = function( elem ) {
 	return jQuery.grep( jQuery.timers, function( fn ) {
 		return elem === fn.elem;
 	} ).length;
@@ -10675,18 +10429,6 @@ jQuery.expr.filters.animated = function( elem ) {
 
 
 
-
-/**
- * Gets a window from an element
- */
-function getWindow( elem ) {
-	return jQuery.isWindow( elem ) ?
-		elem :
-		elem.nodeType === 9 ?
-			elem.defaultView || elem.parentWindow :
-			false;
-}
-
 jQuery.offset = {
 	setOffset: function( elem, options, i ) {
 		var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
@@ -10694,7 +10436,7 @@ jQuery.offset = {
 			curElem = jQuery( elem ),
 			props = {};
 
-		// set position first, in-case top/left are set even on static elem
+		// Set position first, in-case top/left are set even on static elem
 		if ( position === "static" ) {
 			elem.style.position = "relative";
 		}
@@ -10703,20 +10445,21 @@ jQuery.offset = {
 		curCSSTop = jQuery.css( elem, "top" );
 		curCSSLeft = jQuery.css( elem, "left" );
 		calculatePosition = ( position === "absolute" || position === "fixed" ) &&
-			jQuery.inArray( "auto", [ curCSSTop, curCSSLeft ] ) > -1;
+			( curCSSTop + curCSSLeft ).indexOf( "auto" ) > -1;
 
-		// need to be able to calculate position if either top or left
-		// is auto and position is either absolute or fixed
+		// Need to be able to calculate position if either
+		// top or left is auto and position is either absolute or fixed
 		if ( calculatePosition ) {
 			curPosition = curElem.position();
 			curTop = curPosition.top;
 			curLeft = curPosition.left;
+
 		} else {
 			curTop = parseFloat( curCSSTop ) || 0;
 			curLeft = parseFloat( curCSSLeft ) || 0;
 		}
 
-		if ( jQuery.isFunction( options ) ) {
+		if ( isFunction( options ) ) {
 
 			// Use jQuery.extend here to allow modification of coordinates argument (gh-1848)
 			options = options.call( elem, i, jQuery.extend( {}, curOffset ) );
@@ -10731,6 +10474,7 @@ jQuery.offset = {
 
 		if ( "using" in options ) {
 			options.using.call( elem, props );
+
 		} else {
 			curElem.css( props );
 		}
@@ -10738,7 +10482,11 @@ jQuery.offset = {
 };
 
 jQuery.fn.extend( {
+
+	// offset() relates an element's border box to the document origin
 	offset: function( options ) {
+
+		// Preserve chaining for setter
 		if ( arguments.length ) {
 			return options === undefined ?
 				this :
@@ -10747,82 +10495,94 @@ jQuery.fn.extend( {
 				} );
 		}
 
-		var docElem, win,
-			box = { top: 0, left: 0 },
-			elem = this[ 0 ],
-			doc = elem && elem.ownerDocument;
+		var rect, win,
+			elem = this[ 0 ];
 
-		if ( !doc ) {
+		if ( !elem ) {
 			return;
 		}
 
-		docElem = doc.documentElement;
-
-		// Make sure it's not a disconnected DOM node
-		if ( !jQuery.contains( docElem, elem ) ) {
-			return box;
+		// Return zeros for disconnected and hidden (display: none) elements (gh-2310)
+		// Support: IE <=11 only
+		// Running getBoundingClientRect on a
+		// disconnected node in IE throws an error
+		if ( !elem.getClientRects().length ) {
+			return { top: 0, left: 0 };
 		}
 
-		// If we don't have gBCR, just use 0,0 rather than error
-		// BlackBerry 5, iOS 3 (original iPhone)
-		if ( typeof elem.getBoundingClientRect !== "undefined" ) {
-			box = elem.getBoundingClientRect();
-		}
-		win = getWindow( doc );
+		// Get document-relative position by adding viewport scroll to viewport-relative gBCR
+		rect = elem.getBoundingClientRect();
+		win = elem.ownerDocument.defaultView;
 		return {
-			top: box.top  + ( win.pageYOffset || docElem.scrollTop )  - ( docElem.clientTop  || 0 ),
-			left: box.left + ( win.pageXOffset || docElem.scrollLeft ) - ( docElem.clientLeft || 0 )
+			top: rect.top + win.pageYOffset,
+			left: rect.left + win.pageXOffset
 		};
 	},
 
+	// position() relates an element's margin box to its offset parent's padding box
+	// This corresponds to the behavior of CSS absolute positioning
 	position: function() {
 		if ( !this[ 0 ] ) {
 			return;
 		}
 
-		var offsetParent, offset,
-			parentOffset = { top: 0, left: 0 },
-			elem = this[ 0 ];
+		var offsetParent, offset, doc,
+			elem = this[ 0 ],
+			parentOffset = { top: 0, left: 0 };
 
-		// Fixed elements are offset from window (parentOffset = {top:0, left: 0},
-		// because it is its only offset parent
+		// position:fixed elements are offset from the viewport, which itself always has zero offset
 		if ( jQuery.css( elem, "position" ) === "fixed" ) {
 
-			// we assume that getBoundingClientRect is available when computed position is fixed
+			// Assume position:fixed implies availability of getBoundingClientRect
 			offset = elem.getBoundingClientRect();
+
 		} else {
+			offset = this.offset();
 
-			// Get *real* offsetParent
-			offsetParent = this.offsetParent();
+			// Account for the *real* offset parent, which can be the document or its root element
+			// when a statically positioned element is identified
+			doc = elem.ownerDocument;
+			offsetParent = elem.offsetParent || doc.documentElement;
+			while ( offsetParent &&
+				( offsetParent === doc.body || offsetParent === doc.documentElement ) &&
+				jQuery.css( offsetParent, "position" ) === "static" ) {
 
-			// Get correct offsets
-			offset = this.offset();
-			if ( !jQuery.nodeName( offsetParent[ 0 ], "html" ) ) {
-				parentOffset = offsetParent.offset();
+				offsetParent = offsetParent.parentNode;
 			}
+			if ( offsetParent && offsetParent !== elem && offsetParent.nodeType === 1 ) {
 
-			// Add offsetParent borders
-			parentOffset.top  += jQuery.css( offsetParent[ 0 ], "borderTopWidth", true );
-			parentOffset.left += jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true );
+				// Incorporate borders into its offset, since they are outside its content origin
+				parentOffset = jQuery( offsetParent ).offset();
+				parentOffset.top += jQuery.css( offsetParent, "borderTopWidth", true );
+				parentOffset.left += jQuery.css( offsetParent, "borderLeftWidth", true );
+			}
 		}
 
 		// Subtract parent offsets and element margins
-		// note: when an element has margin: auto the offsetLeft and marginLeft
-		// are the same in Safari causing offset.left to incorrectly be 0
 		return {
-			top:  offset.top  - parentOffset.top - jQuery.css( elem, "marginTop", true ),
+			top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ),
 			left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true )
 		};
 	},
 
+	// This method will return documentElement in the following cases:
+	// 1) For the element inside the iframe without offsetParent, this method will return
+	//    documentElement of the parent window
+	// 2) For the hidden or detached element
+	// 3) For body or html element, i.e. in case of the html node - it will return itself
+	//
+	// but those exceptions were never presented as a real life use-cases
+	// and might be considered as more preferable results.
+	//
+	// This logic, however, is not guaranteed and can change at any point in the future
 	offsetParent: function() {
 		return this.map( function() {
 			var offsetParent = this.offsetParent;
 
-			while ( offsetParent && ( !jQuery.nodeName( offsetParent, "html" ) &&
-				jQuery.css( offsetParent, "position" ) === "static" ) ) {
+			while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) {
 				offsetParent = offsetParent.offsetParent;
 			}
+
 			return offsetParent || documentElement;
 		} );
 	}
@@ -10830,43 +10590,49 @@ jQuery.fn.extend( {
 
 // Create scrollLeft and scrollTop methods
 jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
-	var top = /Y/.test( prop );
+	var top = "pageYOffset" === prop;
 
 	jQuery.fn[ method ] = function( val ) {
 		return access( this, function( elem, method, val ) {
-			var win = getWindow( elem );
+
+			// Coalesce documents and windows
+			var win;
+			if ( isWindow( elem ) ) {
+				win = elem;
+			} else if ( elem.nodeType === 9 ) {
+				win = elem.defaultView;
+			}
 
 			if ( val === undefined ) {
-				return win ? ( prop in win ) ? win[ prop ] :
-					win.document.documentElement[ method ] :
-					elem[ method ];
+				return win ? win[ prop ] : elem[ method ];
 			}
 
 			if ( win ) {
 				win.scrollTo(
-					!top ? val : jQuery( win ).scrollLeft(),
-					top ? val : jQuery( win ).scrollTop()
+					!top ? val : win.pageXOffset,
+					top ? val : win.pageYOffset
 				);
 
 			} else {
 				elem[ method ] = val;
 			}
-		}, method, val, arguments.length, null );
+		}, method, val, arguments.length );
 	};
 } );
 
-// Support: Safari<7-8+, Chrome<37-44+
+// Support: Safari <=7 - 9.1, Chrome <=37 - 49
 // Add the top/left cssHooks using jQuery.fn.position
 // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
-// getComputedStyle returns percent when specified for top/left/bottom/right
-// rather than make the css module depend on the offset module, we just check for it here
-jQuery.each( [ "top", "left" ], function( i, prop ) {
+// Blink bug: https://bugs.chromium.org/p/chromium/issues/detail?id=589347
+// getComputedStyle returns percent when specified for top/left/bottom/right;
+// rather than make the css module depend on the offset module, just check for it here
+jQuery.each( [ "top", "left" ], function( _i, prop ) {
 	jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
 		function( elem, computed ) {
 			if ( computed ) {
 				computed = curCSS( elem, prop );
 
-				// if curCSS returns percentage, fallback to offset
+				// If curCSS returns percentage, fallback to offset
 				return rnumnonpx.test( computed ) ?
 					jQuery( elem ).position()[ prop ] + "px" :
 					computed;
@@ -10878,10 +10644,13 @@ jQuery.each( [ "top", "left" ], function( i, prop ) {
 
 // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
 jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
-	jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name },
-	function( defaultExtra, funcName ) {
+	jQuery.each( {
+		padding: "inner" + name,
+		content: type,
+		"": "outer" + name
+	}, function( defaultExtra, funcName ) {
 
-		// margin is only for outerHeight, outerWidth
+		// Margin is only for outerHeight, outerWidth
 		jQuery.fn[ funcName ] = function( margin, value ) {
 			var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
 				extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
@@ -10889,12 +10658,12 @@ jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
 			return access( this, function( elem, type, value ) {
 				var doc;
 
-				if ( jQuery.isWindow( elem ) ) {
+				if ( isWindow( elem ) ) {
 
-					// As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there
-					// isn't a whole lot we can do. See pull request at this URL for discussion:
-					// https://github.com/jquery/jquery/pull/764
-					return elem.document.documentElement[ "client" + name ];
+					// $( window ).outerWidth/Height return w/h including scrollbars (gh-1729)
+					return funcName.indexOf( "outer" ) === 0 ?
+						elem[ "inner" + name ] :
+						elem.document.documentElement[ "client" + name ];
 				}
 
 				// Get document width or height
@@ -10903,8 +10672,6 @@ jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
 
 					// Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
 					// whichever is greatest
-					// unfortunately, this causes bug #3838 in IE6/8 only,
-					// but there is currently no good, small way to fix it.
 					return Math.max(
 						elem.body[ "scroll" + name ], doc[ "scroll" + name ],
 						elem.body[ "offset" + name ], doc[ "offset" + name ],
@@ -10919,12 +10686,28 @@ jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
 
 					// Set width or height on the element
 					jQuery.style( elem, type, value, extra );
-			}, type, chainable ? margin : undefined, chainable, null );
+			}, type, chainable ? margin : undefined, chainable );
 		};
 	} );
 } );
 
 
+jQuery.each( [
+	"ajaxStart",
+	"ajaxStop",
+	"ajaxComplete",
+	"ajaxError",
+	"ajaxSuccess",
+	"ajaxSend"
+], function( _i, type ) {
+	jQuery.fn[ type ] = function( fn ) {
+		return this.on( type, fn );
+	};
+} );
+
+
+
+
 jQuery.fn.extend( {
 
 	bind: function( types, data, fn ) {
@@ -10943,16 +10726,102 @@ jQuery.fn.extend( {
 		return arguments.length === 1 ?
 			this.off( selector, "**" ) :
 			this.off( types, selector || "**", fn );
+	},
+
+	hover: function( fnOver, fnOut ) {
+		return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
 	}
 } );
 
-// The number of elements contained in the matched element set
-jQuery.fn.size = function() {
-	return this.length;
+jQuery.each(
+	( "blur focus focusin focusout resize scroll click dblclick " +
+	"mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
+	"change select submit keydown keypress keyup contextmenu" ).split( " " ),
+	function( _i, name ) {
+
+		// Handle event binding
+		jQuery.fn[ name ] = function( data, fn ) {
+			return arguments.length > 0 ?
+				this.on( name, null, data, fn ) :
+				this.trigger( name );
+		};
+	}
+);
+
+
+
+
+// Support: Android <=4.0 only
+// Make sure we trim BOM and NBSP
+var rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g;
+
+// Bind a function to a context, optionally partially applying any
+// arguments.
+// jQuery.proxy is deprecated to promote standards (specifically Function#bind)
+// However, it is not slated for removal any time soon
+jQuery.proxy = function( fn, context ) {
+	var tmp, args, proxy;
+
+	if ( typeof context === "string" ) {
+		tmp = fn[ context ];
+		context = fn;
+		fn = tmp;
+	}
+
+	// Quick check to determine if target is callable, in the spec
+	// this throws a TypeError, but we will just return undefined.
+	if ( !isFunction( fn ) ) {
+		return undefined;
+	}
+
+	// Simulated bind
+	args = slice.call( arguments, 2 );
+	proxy = function() {
+		return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
+	};
+
+	// Set the guid of unique handler to the same of original handler, so it can be removed
+	proxy.guid = fn.guid = fn.guid || jQuery.guid++;
+
+	return proxy;
 };
 
-jQuery.fn.andSelf = jQuery.fn.addBack;
+jQuery.holdReady = function( hold ) {
+	if ( hold ) {
+		jQuery.readyWait++;
+	} else {
+		jQuery.ready( true );
+	}
+};
+jQuery.isArray = Array.isArray;
+jQuery.parseJSON = JSON.parse;
+jQuery.nodeName = nodeName;
+jQuery.isFunction = isFunction;
+jQuery.isWindow = isWindow;
+jQuery.camelCase = camelCase;
+jQuery.type = toType;
 
+jQuery.now = Date.now;
+
+jQuery.isNumeric = function( obj ) {
+
+	// As of jQuery 3.0, isNumeric is limited to
+	// strings and numbers (primitives or objects)
+	// that can be coerced to finite numbers (gh-2662)
+	var type = jQuery.type( obj );
+	return ( type === "number" || type === "string" ) &&
+
+		// parseFloat NaNs numeric-cast false positives ("")
+		// ...but misinterprets leading-number strings, particularly hex literals ("0x...")
+		// subtraction forces infinities to NaN
+		!isNaN( obj - parseFloat( obj ) );
+};
+
+jQuery.trim = function( text ) {
+	return text == null ?
+		"" :
+		( text + "" ).replace( rtrim, "" );
+};
 
 
 
@@ -10977,6 +10846,7 @@ if ( typeof define === "function" && define.amd ) {
 
 
 
+
 var
 
 	// Map over jQuery in case of overwrite
@@ -10997,12 +10867,15 @@ jQuery.noConflict = function( deep ) {
 	return jQuery;
 };
 
-// Expose jQuery and $ identifiers, even in
-// AMD (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
+// Expose jQuery and $ identifiers, even in AMD
+// (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
 // and CommonJS for browser emulators (#13566)
-if ( !noGlobal ) {
+if ( typeof noGlobal === "undefined" ) {
 	window.jQuery = window.$ = jQuery;
 }
 
+
+
+
 return jQuery;
-}));
+} );