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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  $("form").submit(function(e){
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    alert("Submitted");
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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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<form name="input" action="" method="get">
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First name:
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<input type="text" name="FirstName" value="Mickey" size="20">
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<br />Last name:
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<input type="text" name="LastName" value="Mouse" size="20">
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<br />
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<input type="submit" value="Submit">
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</form>
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</body>
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</html>
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​