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JavaScript 各种继承方式优缺点对比
source link: https://juejin.im/post/5b6bf7dcf265da0f664051b3
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我的博客 github博客主页 原型对象 无论什么时候，只要创建一个新函数，就会根据一组特定的规则为该函数创建一个 prototype 属性，这个属性指向函数的原型对象。默认情况下，所有原型对象都会自动获得一个 constructor（构造函数）属性
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