案例:javascript案例     状态:可编辑再运行    进入竖版
 运行结果 
x
 
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<html>
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<head>
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<script type="text/javascript">
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function changeContent()
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{
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var x=document.getElementById('myTable').rows[0].cells
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x[0].innerHTML="新的内容"
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}
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</script>
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</head>
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<body>
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<table id="myTable" border="1">
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<tr>
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<td>Row1 cell1</td>
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<td>Row1 cell2</td>
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</tr>
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<tr>
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<td>Row2 cell1</td>
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<td>Row2 cell2</td>
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</tr>
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<tr>
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<td>Row3 cell1</td>
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<td>Row3 cell2</td>
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</tr>
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</table>
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<form>
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<input type="button" onclick="changeContent()" value="改变内容">
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</form>
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</body>
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</html>
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