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es2015引入的元编程是什么 #157

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@FrankKai

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@FrankKai

最近在看《深入浅出vue.js》作者屡次提到es6引入的元编程。
引入元编程前vue不能xxx,引入元编程后vue就可以xxx。
Proxy和Reflect倒是听说过,但是没有想过应用场景。
所以需要一探究竟元编程的原理,也为对学习未来版本的vue做一个铺垫。

学习资料:
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Meta_programming

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