区分大小写问题，高手进阶！！

Question

<script defer>
document.all.AF.value=1;
document.all.Af.value=2;
</script>
<input id=AF>
<input id=Af>

Answer 1

<script language="javascript">
function ShowMenu(ids)
{
var theObj = document.getElementById(ids);
if(theObj)
theObj.style.display=(theObj.style.display=='none')?'':'none';
}
</script><a href="javascript:ShowMenu('AF');">AF</a>
<a href="javascript:ShowMenu('Af');">Af</a>
<div id="AF" style="display:none">AF</div>
<div id="Af" style="display:none">Af</div>目标：点击AF，显示AF，点击Af，显示Af

Answer 2

哈哈。我搞定了。换成document.all[ids]就OK了。。