Merge branch 'fix7762' into jquery master. Fixes #7762.

1 files changed, 26 insertions, 43 deletions

diff --git a/src/event.js b/src/event.js
index c90473485..675e5fff3 100644
--- a/src/event.js
+++ b/src/event.js
@@ -63,7 +63,7 @@ jQuery.event = {
 		var eventKey = elem.nodeType ? "events" : "__events__",
 			events = elemData[ eventKey ],
 			eventHandle = elemData.handle;
-			
+
 		if ( typeof events === "function" ) {
 			// On plain objects events is a fn that holds the the data
 			// which prevents this data from being JSON serialized
@@ -143,9 +143,9 @@ jQuery.event = {
 					}
 				}
 			}
-			
-			if ( special.add ) { 
-				special.add.call( elem, handleObj ); 
+
+			if ( special.add ) {
+				special.add.call( elem, handleObj );
 
 				if ( !handleObj.handler.guid ) {
 					handleObj.handler.guid = handler.guid;
@@ -184,7 +184,7 @@ jQuery.event = {
 		if ( !elemData || !events ) {
 			return;
 		}
-		
+
 		if ( typeof events === "function" ) {
 			elemData = events;
 			events = events.events;
@@ -222,7 +222,7 @@ jQuery.event = {
 				namespaces = type.split(".");
 				type = namespaces.shift();
 
-				namespace = new RegExp("(^|\\.)" + 
+				namespace = new RegExp("(^|\\.)" +
 					jQuery.map( namespaces.slice(0).sort(), fcleanup ).join("\\.(?:.*\\.)?") + "(\\.|$)");
 			}
 
@@ -384,7 +384,7 @@ jQuery.event = {
 				isClick = jQuery.nodeName( target, "a" ) && targetType === "click",
 				special = jQuery.event.special[ targetType ] || {};
 
-			if ( (!special._default || special._default.call( elem, event ) === false) && 
+			if ( (!special._default || special._default.call( elem, event ) === false) &&
 				!isClick && !(target && target.nodeName && jQuery.noData[target.nodeName.toLowerCase()]) ) {
 
 				try {
@@ -454,7 +454,7 @@ jQuery.event = {
 					event.handler = handleObj.handler;
 					event.data = handleObj.data;
 					event.handleObj = handleObj;
-	
+
 					var ret = handleObj.handler.apply( this, args );
 
 					if ( ret !== undefined ) {
@@ -553,7 +553,7 @@ jQuery.event = {
 			add: function( handleObj ) {
 				jQuery.event.add( this,
 					liveConvert( handleObj.origType, handleObj.selector ),
-					jQuery.extend({}, handleObj, {handler: liveHandler, guid: handleObj.handler.guid}) ); 
+					jQuery.extend({}, handleObj, {handler: liveHandler, guid: handleObj.handler.guid}) );
 			},
 
 			remove: function( handleObj ) {
@@ -583,7 +583,7 @@ jQuery.removeEvent = document.removeEventListener ?
 		if ( elem.removeEventListener ) {
 			elem.removeEventListener( type, handle, false );
 		}
-	} : 
+	} :
 	function( elem, type, handle ) {
 		if ( elem.detachEvent ) {
 			elem.detachEvent( "on" + type, handle );
@@ -636,7 +636,7 @@ jQuery.Event.prototype = {
 		if ( !e ) {
 			return;
 		}
-		
+
 		// if preventDefault exists run it on the original event
 		if ( e.preventDefault ) {
 			e.preventDefault();
@@ -732,7 +732,7 @@ if ( !jQuery.support.submitBubbles ) {
 						return trigger( "submit", this, arguments );
 					}
 				});
-	 
+
 				jQuery.event.add(this, "keypress.specialSubmit", function( e ) {
 					var elem = e.target,
 						type = elem.type;
@@ -794,7 +794,7 @@ if ( !jQuery.support.changeBubbles ) {
 		if ( e.type !== "focusout" || elem.type !== "radio" ) {
 			jQuery.data( elem, "_change_data", val );
 		}
-		
+
 		if ( data === undefined || val === data ) {
 			return;
 		}
@@ -808,7 +808,7 @@ if ( !jQuery.support.changeBubbles ) {
 
 	jQuery.event.special.change = {
 		filters: {
-			focusout: testChange, 
+			focusout: testChange,
 
 			beforedeactivate: testChange,
 
@@ -879,15 +879,15 @@ if ( document.addEventListener ) {
 				if ( focusCounts[fix]++ === 0 ) {
 					document.addEventListener( orig, handler, true );
 				}
-			}, 
-			teardown: function() { 
+			},
+			teardown: function() {
 				if ( --focusCounts[fix] === 0 ) {
 					document.removeEventListener( orig, handler, true );
 				}
 			}
 		};
 
-		function handler( e ) { 
+		function handler( e ) {
 			e = jQuery.event.fix( e );
 			e.type = fix;
 			return jQuery.event.trigger( e, null, e.target );
@@ -904,7 +904,7 @@ jQuery.each(["bind", "one"], function( i, name ) {
 			}
 			return this;
 		}
-		
+
 		if ( jQuery.isFunction( data ) || data === false ) {
 			fn = data;
 			data = undefined;
@@ -944,20 +944,20 @@ jQuery.fn.extend({
 
 		return this;
 	},
-	
+
 	delegate: function( selector, types, data, fn ) {
 		return this.live( types, data, fn, selector );
 	},
-	
+
 	undelegate: function( selector, types, fn ) {
 		if ( arguments.length === 0 ) {
 				return this.unbind( "live" );
-		
+
 		} else {
 			return this.die( types, null, fn, selector );
 		}
 	},
-	
+
 	trigger: function( type, data ) {
 		return this.each(function() {
 			jQuery.event.trigger( type, data, this );
@@ -1014,12 +1014,12 @@ jQuery.each(["live", "die"], function( i, name ) {
 		var type, i = 0, match, namespaces, preType,
 			selector = origSelector || this.selector,
 			context = origSelector ? this : jQuery( this.context );
-		
+
 		if ( typeof types === "object" && !types.preventDefault ) {
 			for ( var key in types ) {
 				context[ name ]( key, data, types[key], selector );
 			}
-			
+
 			return this;
 		}
 
@@ -1066,7 +1066,7 @@ jQuery.each(["live", "die"], function( i, name ) {
 				context.unbind( "live." + liveConvert( type, selector ), fn );
 			}
 		}
-		
+
 		return this;
 	};
 });
@@ -1085,7 +1085,7 @@ function liveHandler( event ) {
 	if ( event.liveFired === this || !events || !events.live || event.target.disabled || event.button && event.type === "click" ) {
 		return;
 	}
-	
+
 	if ( event.namespace ) {
 		namespace = new RegExp("(^|\\.)" + event.namespace.split(".").join("\\.(?:.*\\.)?") + "(\\.|$)");
 	}
@@ -1183,21 +1183,4 @@ jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblcl
 	}
 });
 
-// Prevent memory leaks in IE
-// Window isn't included so as not to unbind existing unload events
-// More info:
-//  - http://isaacschlueter.com/2006/10/msie-memory-leaks/
-if ( window.attachEvent && !window.addEventListener ) {
-	jQuery(window).bind("unload", function() {
-		for ( var id in jQuery.cache ) {
-			if ( jQuery.cache[ id ].handle ) {
-				// Try/Catch is to handle iframes being unloaded, see #4280
-				try {
-					jQuery.event.remove( jQuery.cache[ id ].handle.elem );
-				} catch(e) {}
-			}
-		}
-	});
-}
-
 })( jQuery );