案例：javascript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">
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function delCell()
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  {
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  document.getElementById('tr2').deleteCell(0)
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  }
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</script>
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</head>
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<body>
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​
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<table border="1">
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<tr id="tr1">
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<th>Firstname</th>
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<th>Lastname</th>
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</tr>
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<tr id="tr2">
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<td>Peter</td>
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<td>Griffin</td>
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</tr>
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</table>
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<br />
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<input type="button" onclick="delCell()" value="Delete cell">
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​
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</body>
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</html>
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​