摘要: function Animal(){ } function Cat(){ Animal.call(this); } function extend(Parent, Child){ var F = function(){}; F.prototype = Parent.prototype; Child. 阅读全文
posted @ 2018-03-06 19:57 *﹏漸洐漸薳〆… 阅读(123) 评论(0) 推荐(0)