怎样能够得到一个div的宽度px值?

Question

<td><div width=60% onclick="alert(this.clientWidth)">aaaa</div></td>

Answer 1

<table width=100% border=1>
<tr>
<td>asdfasdfasdfasdf</td>
<td><div onclick=alert(this.offsetWidth)>aaaa</div></td>
<td>asdsdasdfd</td>
</tr>
</table>

Answer 2

梅老大,不行呀,用clientWidth得到的值是0

Answer 3

<table width=100% border="0">
<tr>
<td>asdfasdfasdfasdf</td>
<td><div id=dv width=60%>aaaa</div></td>
<td>asdsdasdfd</td>
</tr>
</table><script>
alert((dv.offsetWidth)*dv.width.substr(0,dv.width.length-1)/100);
</script>

Answer 4

这样可以吗
<div width=60% onclick="alert(this.offsetWidth)" style="background:blue">aaaa</div>