搜集js 的学习连接

http://www.cnblogs.com/qiantuwuliang/archive/2009/09/19/1570150.html         //prototype. call , extends

http://blog.youkuaiyun.com/niuyongjie/archive/2009/11/15/4810835.aspx      //prototype/---/constructor

http://hi.baidu.com/igoal/item/15e6a2aa6b1b929a141073bf     // obj.prototype.slice.call(this,arguments);

http://www.jb51.net/article/6519.htm //  javascript  实现和继承