<table >
<tr ondblclick="alert(this.cells[0].all.tags('A')[0].href);this.cells[0].all.tags('A')[0].click();">
<td>
<a href="http://www.cjol.com/"></a>
<a href=""></a>
双击这里</td>
</tr>
</table>
<tr ondblclick="alert(this.cells[0].all.tags('A')[0].href);this.cells[0].all.tags('A')[0].click();">
<td>
<a href="http://www.cjol.com/"></a>
<a href=""></a>
双击这里</td>
</tr>
</table>
<tr onclick="window.confirm(this.cells(0).firstChild.href)">
<td>
<a href="1">asdfdsaf</a>安放大师傅的
<a href="2">adsfsadfdsaf</a>发达大师傅
</td>
</tr></table>
function test(){
var e = event.srcElement.children;
alert(e[0].href);
}
</script>
</head>
<table border=1 width=100%>
<tr ondblclick="test()" bgcolor="red" >
<td>
<a href="#">a</a>
<a href="#">b</a>
</td>
</tr>
<tr>
<td>
dfsd
</td>
</tr>
</table>