摘要: 子类引用父类function extend(subClass,superClass){ var F=function(){}; F.prototype=superClass.prototype; subClass.prototype=new F(); subClass.pro... 阅读全文
posted @ 2015-01-10 19:29 庄昌宽 阅读(107) 评论(0) 推荐(0) 编辑