擼一遍Vue的源碼（二）關於new Vue 和數據驅動

原創 Rambo_Li 2019-06-02 23:14

爲解決實際需求-- Vue的雙向數據綁定以及什麼是數據驅動

很多同學都知道Vue 是通過 Object.defineProperty做的雙向數據綁定,也有很多同學在面對很多次面試中，被問到雙向數據綁定的原理。
但是當面試官問到雙向數據綁定實現的 數據驅動 或者說Vue中的 訂閱發佈模式 的實現的時候,很多同學都講不清。那麼希望這篇文章能幫到一些同學。

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