是这个么?? <script language="JavaScript"> var a = new Array("id","name","class","type","style","readonly"); var b = new Array("id","name","class","type","style","readonly"); var num=""; for(var i=0;i<a.length;i++) { if(a[i] == "name") num = i; } alert(b[num]) //--> </script>
<script language="JavaScript">
var a = new Array("id","name","class","type","style","readonly");
var b = new Array("id","name","class","type","style","readonly");
var num="";
for(var i=0;i<a.length;i++)
{
if(a[i] == "name")
num = i;
}
alert(b[num])
//-->
</script>