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JS专题之继承
source link: https://juejin.im/post/5c5fe62ae51d457fc75f7c84
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前言 众所周知，JavaScript 中，没有 JAVA 等主流语言“类”的概念，更没有“父子类继承”的概念，而是通过原型对象和原型链的方式实现继承。 于是，我们这一篇讲一讲 JS 中的继承（委托）。 一、为什么要有继承？ JavaScript 是面向对象编程
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