点击运行
<html> <head> <script type="text/javascript"> function createCaption() { var x=document.getElementById('myTable').createTFoot() x.innerHTML="My table foot" } </script> </head> <body> <table id="myTable" border="1"> <tr> <td>Row1 cell1</td> <td>Row1 cell2</td> </tr> <tr> <td>Row2 cell1</td> <td>Row2 cell2</td> </tr> </table> <br /> <input type="button" onclick="createCaption()" value="Create caption"> </body> </html>
运行结果
