日期:2014-05-16 浏览次数:20518 次
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>new page</title>
</head>
<body>
<table >  
<tr >  
<td >娃哈哈 </td  > 
<td >笑笑笑 </td  >  
</tr >  
<td >小强 </td  > 
<td >旺财 </td  >  
</tr >  
</table  >
</body>
<script>
var t=document.getElementsByTagName("table")[0];
t.deleteRow(0);
</script>
</html>
------解决方案--------------------
function deleteCell()
{
   var trs=$("tr");
   for(var i=0;i<trs.length;i++)
   {
      var theTr=trs[i];
      if(theTr.firstChild) theTr.removeChild(theTr.firstChild);
   }
}
function $(tagName)
{
   return document.getElementsByTagName(tagName);
}