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如何理解虚拟DOM #262

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hehongwei44 opened this issue May 15, 2018 · 2 comments

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JavaScript React&React Native VUE

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hehongwei44 commented May 15, 2018

链接：https://www.zhihu.com/question/29504639

hehongwei44 added JavaScript VUE React&React Native labels

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hehongwei44 commented May 15, 2018

深度剖析：如何实现一个 Virtual DOM 算法: livoras/blog#13

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hehongwei44 commented May 15, 2018

Virtual DOM 算法。包括几个步骤：

用 JavaScript 对象结构表示 DOM 树的结构；然后用这个树构建一个真正的 DOM 树，插到文档当中
当状态变更的时候，重新构造一棵新的对象树。然后用新的树和旧的树进行比较，记录两棵树差异
把2所记录的差异应用到步骤1所构建的真正的DOM树上，视图就更新了

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