案例:jQuery UI案例     状态:可编辑再运行    进入横版
AخA
 
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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>.addClass() 演示</title>
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  <link rel="stylesheet" href="/css/jqu1.10.4/jquery-ui.min.css">
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  <style>
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  div {
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    width: 100px;
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    height: 100px;
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    background-color: #ccc;
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  }
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  .big-blue {
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    width: 200px;
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    height: 200px;
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    background-color: #00f;
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  }
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  </style>
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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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</head>
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<body>
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<div></div>

 运行结果 
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