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第 1 题：写 React / Vue 项目时为什么要在列表组件中写 key，其作用是什么？ #28

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Yolo-0317 opened this issue May 20, 2021 · 0 comments

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Yolo-0317 commented May 20, 2021

Advanced-Frontend/Daily-Interview-Question#1

key的作用是为了在diff算法执行时更快的找到对应的节点，提高diff速度

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