各位高手，帮帮忙啊！万分感谢！~
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.<html xmlns="http://www.
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<script type="text/javascript">
//<![CDATA[
var a=10;
var a=100;
var obj=new Object();
var objRef=obj();
objRef.say="hello";
document.write(a);
document.write(obj.say==objRef.say);
//]]>
</script>
</head>
<body>
</body>
</html>
请问哪里错了，为什么没有100ture的字样呢？
