React 16版本中为什么用更新生命周期函数 - 知乎
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## React 16+版本中为什么用更新生命周期函数？ - 知乎
谢邀。分为几点。 理解 fiber 架构 unsafe 原因 静态函数：getDerivedStateFromProps getSnapshotBeforeUpdate 减少声明周期，提高性能 理解 Fiber 架构 跟着 本文 走，你可以实现一个 Fiber 架构的简化 React 版本。其中你会发现，现在…
May 25, 2018 at 07:56AM
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