Fixes #6979 - Several components are leaking variables into the global scope.

Author: felix9

ui/jquery.effects.core.js

@@ -419,7 +419,7 @@ $.extend($.effects, {
 	setTransition: function(element, list, factor, value) {
 		value = value || {};
 		$.each(list, function(i, x){
-			unit = element.cssUnit(x);
+			var unit = element.cssUnit(x);
 			if (unit[0] > 0) value[x] = unit[0] * factor + unit[1];
 		});
 		return value;

ui/jquery.effects.pulsate.js

@@ -15,8 +15,8 @@
 $.effects.pulsate = function(o) {
 	return this.queue(function() {
 		var elem = $(this),
-			mode = $.effects.setMode(elem, o.options.mode || 'show');
-			times = ((o.options.times || 5) * 2) - 1;
+			mode = $.effects.setMode(elem, o.options.mode || 'show'),
+			times = ((o.options.times || 5) * 2) - 1,
 			duration = o.duration ? o.duration / 2 : $.fx.speeds._default / 2,
 			isVisible = elem.is(':visible'),
 			animateTo = 0;

ui/jquery.effects.scale.js

@@ -140,7 +140,7 @@ $.effects.size = function(o) {
 			hProps = hProps.concat(['marginLeft','marginRight']); // Add margins
 			props2 = props.concat(vProps).concat(hProps); // Concat
 			el.find("*[width]").each(function(){
-				child = $(this);
+				var child = $(this);
 				if (restore) $.effects.save(child, props2);
 				var c_original = {height: child.height(), width: child.width()}; // Save original
 				child.from = {height: c_original.height * factor.from.y, width: c_original.width * factor.from.x};

ui/jquery.ui.autocomplete.js

@@ -594,7 +594,7 @@ $.widget("ui.menu", {
 			}
 
 			var base = this.active.offset().top,
-				height = this.element.height();
+				height = this.element.height(),
 				result = this.element.children(".ui-menu-item").filter(function() {
 					var close = $(this).offset().top - base + height - $(this).height();
 					// TODO improve approximation

ui/jquery.ui.tabs.js

@@ -733,7 +733,6 @@ $.extend( $.ui.tabs.prototype, {
 				}
 			}
 			: function( e ) {
-				t = o.selected;
 				rotate();
 			});