Javascript继承机制的设计思想
http://www.ruanyifeng.com/blog/2011/06/designing_ideas_of_inheritance_mechanism_in_javascript.html
学习Javascript闭包(Closure)
http://www.ruanyifeng.com/blog/2009/08/learning_javascript_closures.html
Javascript 面向对象编程(一):封装
http://www.ruanyifeng.com/blog/2010/05/object-oriented_javascript_encapsulation.html
Javascript面向对象编程(二):构造函数的继承
http://www.ruanyifeng.com/blog/2010/05/object-oriented_javascript_inheritance.html
Javascript面向对象编程(三):非构造函数的继承
http://www.ruanyifeng.com/blog/2010/05/object-oriented_javascript_inheritance_continued.html