案例：jquery案例     状态：可编辑再运行    进入竖版
 运行结果　
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<html>
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<head>
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<script type="text/javascript" src="/js/jquery.js"></script>
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<script type="text/javascript">
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$(document).ready(function(){
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  $("button").click(function(){
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  $("p").hide(1000,function(){
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    alert("The paragraph is now hidden");
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    });
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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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<button type="button">Hide</button>
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<p>This is a paragraph with little content.</p>
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</body>
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</html>
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​