编辑下面的代码:【加编码】
<html> <head> <script> function above() { document.getElementById('myTable').frame="above"; } function below() { document.getElementById('myTable').frame="below"; } </script> </head> <body> <table id="myTable" border="1"> <tr> <td>cell 1</td> <td>cell 2</td> </tr> <tr> <td>cell 3</td> <td>cell 4</td> </tr> </table> <br> <button type="button" onclick="above()">Show above frames</button> <button type="button" onclick="below()">Show below frames</button> <p><b>Note:</b> The frame property is not displayed properly in Internet Explorer prior version 9.</p> </body> </html>
结果: 【此窗口】 帮助?
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