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Reflect 对象创建目的？ #70

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LuckyWinty opened this issue Aug 5, 2020 · 1 comment

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es6 js

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LuckyWinty commented Aug 5, 2020

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LuckyWinty commented Aug 5, 2020

将 Object 对象的一些明显属于语言内部的方法（比如 Object.defineProperty，放到 Reflect 对象上。
修改某些 Object 方法的返回结果，让其变得更合理。
让 Object 操作都变成函数行为。
Reflect 对象的方法与 Proxy 对象的方法一一对应，只要是 Proxy 对象的方法，就能在 Reflect 对象上找到对应的方法。这就让 Proxy 对象可以方便地调用对应的 Reflect 方法，完成默认行为，作为修改行为的基础。

也就是说，不管 Proxy 怎么修改默认行为，你总可以在 Reflect 上获取默认行为。

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