<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<body>
<table border="1">
<tr>
<td width="568" colspan="2"> </td>
</tr>
<tr id="qq">
<td>文字</td>
<td id="aa">hh</td>
</tr>
<script>
var n=document.getElementById("aa").innerText; //得到<td></td>内的值
if(n=="" || n==null){
document.getElementById("qq").style.display="none"; //隐藏行<tr><td></td></tr>
}
</script>
<tr>
<td colspan="2"> </td>
</tr>
</table>
</body>
</html>
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