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编辑您的代码：
<html> <head> <script type="text/javascript"> function padding() { document.getElementById('myTable').cellPadding="15" } function spacing() { document.getElementById('myTable').cellSpacing="15" } </script> </head> <body> <table id="myTable" border="1"> <tr> <td>100</td> <td>200</td> </tr> <tr> <td>300</td> <td>400</td> </tr> </table> <br /> <input type="button" onclick="padding()" value="改变 Cellpadding"> <input type="button" onclick="spacing()" value="改变 Cellspacing"> </body> </html>
查看结果: