fmpq.com
源代码：
点击运行
<!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <title>jQuery UI 特效 - 动画（Animation）演示</title> <link rel="stylesheet" href="//apps.bdimg.com/libs/jqueryui/1.10.4/css/jquery-ui.min.css"> <script src="//apps.bdimg.com/libs/jquery/1.10.2/jquery.min.js"></script> <script src="//apps.bdimg.com/libs/jqueryui/1.10.4/jquery-ui.min.js"></script> <link rel="stylesheet" href="jqueryui/style.css"> <style> .toggler { width: 500px; height: 200px; position: relative; } #button { padding: .5em 1em; text-decoration: none; } #effect { width: 240px; height: 135px; padding: 0.4em; position: relative; background: #fff; } #effect h3 { margin: 0; padding: 0.4em; text-align: center; } </style> <script> $(function() { var state = true; $( "#button" ).click(function() { if ( state ) { $( "#effect" ).animate({ backgroundColor: "#aa0000", color: "#fff", width: 500 }, 1000 ); } else { $( "#effect" ).animate({ backgroundColor: "#fff", color: "#000", width: 240 }, 1000 ); } state = !state; }); }); </script> </head> <body> <div class="toggler"> <div id="effect" class="ui-widget-content ui-corner-all"> <h3 class="ui-widget-header ui-corner-all">动画（Animation）</h3> <p> Etiam libero neque, luctus a, eleifend nec, semper at, lorem. Sed pede. Nulla lorem metus, adipiscing ut, luctus sed, hendrerit vitae, mi. </p> </div> </div> <a href="#" id="button" class="ui-state-default ui-corner-all">切换特效</a> </body> </html>
运行结果