WordPress源代码——jquery-ui（1.8.20——jquery.effects.fade.js）

1	/*!
2	 * jQuery UI Effects Fade @VERSION
3	 *
4	 * Copyright 2012, AUTHORS.txt (http://jqueryui.com/about)
5	 * Dual licensed under the MIT or GPL Version 2 licenses.
6	 * http://jquery.org/license
7	 *
8	 * http://docs.jquery.com/UI/Effects/Fade
9	 *
10	 * Depends:
11	 *      jquery.effects.core.js
12	 */
13	(function( $, undefined ) {
14	
15	$.effects.fade = function(o) {
16	        return this.queue(function() {
17	                var elem = $(this),
18	                        mode = $.effects.setMode(elem, o.options.mode || 'hide');
19	
20	                elem.animate({ opacity: mode }, {
21	                        queue: false,
22	                        duration: o.duration,
23	                        easing: o.options.easing,
24	                        complete: function() {
25	                                (o.callback && o.callback.apply(this, arguments));
26	                                elem.dequeue();
27	                        }
28	                });
29	        });
30	};
31	
32	})(jQuery);