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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>饭桶教程(kuaikuaixuan.com)</title> <script> function changeContent(){ var x=document.getElementById('myTable').rows[0].cells; x[0].innerHTML="新内容"; } </script> </head> <body> <table id="myTable" border="1"> <tr> <td>行1 列1</td> <td>行1 列2</td> </tr> <tr> <td>行2 列1</td> <td>行2 列2</td> </tr> <tr> <td>行3 列1</td> <td>行3 列2</td> </tr> </table> <form> <input type="button" onclick="changeContent()" value="修改内容"> </form> </body> </html>
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