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[vue] 3. Vue 的双向数据绑定的原理 #394

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qiilee opened this issue Oct 8, 2019 · 0 comments

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qiilee commented Oct 8, 2019

答案：

VUE 实现双向数据绑定的原理就是利用了 Object.defineProperty() 这个方法重新定义了对象获取属性值(get)和设置属性值(set)的操作来实现的。

Vue3.0 将用原生 Proxy 替换 Object.defineProperty

qiilee added the VUE label

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