fmpq.com
源代码：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Fmpq教程(fmpq.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>
运行结果