<script>
var CommonObj={};
//张三
(function(){
var a1=1;
CommonObj.张三={}
CommonObj.张三.a1=a1;
})();
//李四
(function(){
var a1=1;
CommonObj.李四={}
CommonObj.李四.a1=a1;
})();
</script>
原文：http://www.cnblogs.com/zzq-include/p/4308712.html