js基于原形链的继承 与class 继承

// js基于原形链的继承 function Persion(name,age){ this.name=name this.age= age this.walk = function(){ console.log(${this.name}正在行走) } } Persion.prototype.hi = function(){ console.log(你好,我的名字是${this.name},我今年

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