案例:javascript案例     状态:可编辑再运行    进入竖版
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<html>
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<head>
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<script type="text/javascript">
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function alertTd1()
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  {
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  alert(document.getElementById('td1').cellIndex);
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  }
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function alertTd2()
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  {
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  alert(document.getElementById('td2').cellIndex);
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  }
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</script>
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</head>
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<body>
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<table border="1">
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<tr>
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<th>Firstname</th>
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<th>Lastname</th>
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</tr>
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<tr>
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<td id="td1">Peter</td>
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<td id="td2">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="alertTd1()" value="Alert cell index of 'Peter'" />
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<br />
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<input type="button" onclick="alertTd2()" value="Alert cell index of 'Griffin'" />
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</body>
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</html>
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