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代码编辑器:
<!DOCTYPE html> <meta charset="utf-8"> <script> function setColSpan(){ var x=document.getElementById('myTable').rows[0].cells; x[0].colSpan="2"; x[1].colSpan="6"; } </script> <link href="/static/next/css/tryit.css?v=2017082407" rel="stylesheet"/> <table id="myTable" border="1"> <tr> <td colspan="4">单元格 1</td> <td colspan="4">单元格 2</td> </tr> <tr> <td>单元格 3</td> <td>单元格 4</td> <td>单元格 5</td> <td>单元格 6</td> <td>单元格 7</td> <td>单元格 8</td> <td>单元格 9</td> <td>单元格 10</td> </tr> </table> <form> <input type="button" onclick="setColSpan()" value="修改合并列"> </form> <footer>简单教程,简单编程<br/>Copyright © 简单教程 www.twle.cn</footer>
运行结果: