http://www.ruanyifeng.com/blog/2010/05/object-oriented_javascript_encapsulation.htmlhttp://javascrip
http://www.ruanyifeng.com/blog/2010/05/object-oriented_javascript_encapsulation.html
http://javascript.ruanyifeng.com/oop/basic.html
http://www.ruanyifeng.com/blog/2010/05/object-oriented_javascript_encapsulation.htmlhttp://javascrip
http://www.ruanyifeng.com/blog/2010/05/object-oriented_javascript_encapsulation.html
http://javascript.ruanyifeng.com/oop/basic.html