今天应该花时间研究的文章
Safe Factory Pattern - Private instance state in JavaScript
http://www.codeproject.com/Articles/133118/Safe-Factory-Pattern-Private-instance-state-in-Jav
ECMAScript 继承机制实现
http://www.w3school.com.cn/js/pro_js_inheritance_implementing.asp
JS中Apply方法的应用
http://www.cnblogs.com/delin/archive/2010/06/17/1759695.html