http://www.cnblogs.com/piziyimao/archive/2013/01/28/2880572.html#top
http://www.jb51.net/article/47619.htm
http://www.infoq.com/cn/articles/javascript-instantiation-and-inheritance
http://ourjs.com/detail/53e97633d125805b10000006
http://www.jb51.net/article/47619.htm
原文：http://www.cnblogs.com/m-xy/p/3913725.html