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JSX 条件语句中错误的方式导致组件未重新挂载（涉及组件diff原理） #19

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BUPTlhuanyu opened this issue Jan 26, 2022 · 0 comments

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BUPTlhuanyu commented Jan 26, 2022

https://thoughtspile.github.io/2022/01/17/jsx-conditionals/

{condition ? : } will not remount Tag — use unique key or separate && branches if you want the remount.

Diff 原理：https://juejin.cn/post/6844903973585944589
先比较组件type，再比较 key，之后比较位置 index

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