案例：HTML DOM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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​
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<script type="text/javascript">
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​
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function go()
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{
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location=document.forms[0].gowhere.value
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}
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​
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</script>
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​
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</head>
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<body>
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​
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<form>
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<select id="gowhere" onchange="go()">
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<option>-Select location-</option>
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<option value="/dynamic/asp/">ASP 教程</option>
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<option value="/html/oldhtml/">HTML 教程</option>
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<option value="/jsjq/javascript/">JavaScript 教程</option>
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</select>
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</form>
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​
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</body>
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</html>