yige.org 试一个

<html>
<head>
<script type="text/javascript">
function createCaption()
  {
  var x=document.getElementById('myTable').createCaption()
  x.innerHTML="我的表格标题"
  }
</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="创建标题">

</body>
</html>

结果:

编辑上面的代码，点击查看结果。

yige.org - 试一个