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描述有误，数组也可以通过defineProperty实现响应式，之所以不这样处理，是因为性能问题。 #9

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linxuekai opened this issue Nov 9, 2022 · 0 comments

linxuekai commented Nov 9, 2022

Learn-Vue-Source-Code/docs/reactive/array.md

Line 11 in d1b3ab9

 这是因为对于`Object`数据我们使用的是`JS`提供的对象原型上的方法`Object.defineProperty`，而这个方法是对象原型上的，所以`Array`无法使用这个方法，所以我们需要对`Array`型数据设计一套另外的变化侦测机制。 

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