All: Drop support for jQuery 1.6.x

Affects core, effects, position and widget. Only position has unit tests
that fail with jQuery 1.6 without the workaround.

Drops the 1.6.x copies jQuery of jQuery and removes them from the select
in the testsuites.

Fixes #10723
Closes gh-1422

4 files changed, 3 insertions, 30 deletions

diff --git a/ui/core.js b/ui/core.js
index 224d12b15..afaab689b 100644
--- a/ui/core.js
+++ b/ui/core.js
@@ -198,19 +198,6 @@ if ( !$.fn.addBack ) {
 	};
 }
 
-// support: jQuery 1.6.1, 1.6.2 (http://bugs.jquery.com/ticket/9413)
-if ( $( "<a>" ).data( "a-b", "a" ).removeData( "a-b" ).data( "a-b" ) ) {
-	$.fn.removeData = (function( removeData ) {
-		return function( key ) {
-			if ( arguments.length ) {
-				return removeData.call( this, $.camelCase( key ) );
-			} else {
-				return removeData.call( this );
-			}
-		};
-	})( $.fn.removeData );
-}
-
 // deprecated
 $.ui.ie = !!/msie [\w.]+/.exec( navigator.userAgent.toLowerCase() );
 
diff --git a/ui/effect.js b/ui/effect.js
index f488ffafd..cc9a91045 100644
--- a/ui/effect.js
+++ b/ui/effect.js
@@ -936,14 +936,6 @@ if ( $.uiBackCompat !== false ) {
 			for ( ; i < length; i++ ) {
 				if ( set[ i ] !== null ) {
 					val = element.data( dataSpace + set[ i ] );
-					// support: jQuery 1.6.2
-					// http://bugs.jquery.com/ticket/9917
-					// jQuery 1.6.2 incorrectly returns undefined for any falsy value.
-					// We can't differentiate between "" and 0 here, so we just assume
-					// empty string since it's likely to be a more common value...
-					if ( val === undefined ) {
-						val = "";
-					}
 					element.css( set[ i ], val );
 				}
 			}
diff --git a/ui/position.js b/ui/position.js
index 41e5b6432..1ef4d4c5b 100644
--- a/ui/position.js
+++ b/ui/position.js
@@ -130,11 +130,8 @@ $.position = {
 			offset: withinElement.offset() || { left: 0, top: 0 },
 			scrollLeft: withinElement.scrollLeft(),
 			scrollTop: withinElement.scrollTop(),
-
-			// support: jQuery 1.6.x
-			// jQuery 1.6 doesn't support .outerWidth/Height() on documents or windows
-			width: isWindow || isDocument ? withinElement.width() : withinElement.outerWidth(),
-			height: isWindow || isDocument ? withinElement.height() : withinElement.outerHeight()
+			width: withinElement.outerWidth(),
+			height: withinElement.outerHeight()
 		};
 	}
 };
diff --git a/ui/widget.js b/ui/widget.js
index 998855af9..33e0d156e 100644
--- a/ui/widget.js
+++ b/ui/widget.js
@@ -302,10 +302,7 @@ $.Widget.prototype = {
 		// all event bindings should go through this._on()
 		this.element
 			.unbind( this.eventNamespace )
-			.removeData( this.widgetFullName )
-			// support: jquery <1.6.3
-			// http://bugs.jquery.com/ticket/9413
-			.removeData( $.camelCase( this.widgetFullName ) );
+			.removeData( this.widgetFullName );
 		this.widget()
 			.unbind( this.eventNamespace )
 			.removeAttr( "aria-disabled" )