<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD>
<script language=javascript>
function aaa(){
var OptionLength=0;
var obj=document.getElementById("select1");
for(var i=0;i<obj.options.length;i++)
{
if(obj.options[i].text.length>OptionLength)
{
OptionLength=obj.options[i].text.length;
}
}
alert(OptionLength);
alert(document.getElementById("select1").style.width);
document.getElementById("select1").style.width=OptionLength*12;
}
</script>
<BODY>
<select name=select1 style="width:aaa()">
<option>dddddddddd方法法达到</option>
<option>ddddddaaaaaaaaaaaaaaaaaa</option>
<option>dddddd</option>
<option>dddddd</option>
</select>
</BODY>
</HTML>
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