案例：jQuery UI案例     状态：可编辑再运行    进入竖版
 运行结果　
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<!doctype html>
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<html lang="en">
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<head>
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  <meta charset="utf-8">
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  <title>jQuery UI 特效 - .removeClass() 演示</title>
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  <link rel="stylesheet" href="/css/jqu1.10.4/jquery-ui.min.css">
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  <script src="/js/jqu/jquery.min1.10.2.js"></script>
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  <script src="/js/jqu/jquery-ui.min1.10.4.js"></script>
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  <link rel="stylesheet" href="jqueryui/style.css">
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  <style>
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  .toggler { width: 500px; height: 200px; position: relative; }
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  #button { padding: .5em 1em; text-decoration: none; }
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  #effect { position: relative;  width: 240px;  padding: 1em;  letter-spacing: 0; font-size: 1.2em; border: 1px solid #000; background: #eee; color: #333; }
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  .newClass { text-indent: 40px; letter-spacing: .4em; width: 410px; height: 100px; padding: 30px; margin: 10px; font-size: 1.6em; }
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  </style>
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  <script>
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  $(function() {
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    $( "#button" ).click(function() {
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      $( "#effect" ).removeClass( "newClass", 1000, callback );
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      return false;
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    });
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    function callback() {
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      setTimeout(function() {
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        $( "#effect" ).addClass( "newClass" );
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      }, 1500 );
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    }
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  });
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  </script>
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</head>
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<body>
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<div class="toggler">
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  <div id="effect" class="newClass ui-corner-all">
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    Etiam libero neque, luctus a, eleifend nec, semper at, lorem. Sed pede.
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  </div>
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</div>
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<a href="#" id="button" class="ui-state-default ui-corner-all">运行特效</a>
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</body>
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</html>