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YuJian 3 years ago
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  1. 2
      React 的源码深入/React 的流程解析 - Fiber 递归/React 的深入探索 - beginWork.md

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React 的源码深入/React 的流程解析 - Fiber 递归/React 的深入探索 - beginWork.md
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@ -11,7 +11,7 @@ function beginWork(current, workInProgress, renderLanes) {
} }
``` ```
beginWork 函数接受三个参数，分别是 current 节点，workInProgress 节点和 renderLanes 优先级，在进入主要函数逻辑 switch 之前，会先对 current 节点进行空值判断，如果 current 节点不存在则表示在上一次的渲染当中不存在当前节点 beginWork 函数接受三个参数，分别是 current 节点，workInProgress 节点和 renderLanes 优先级，在进入主要函数逻辑 switch 之前，会先对 current 节点进行空值判断，如果 current 节点不存在则表示在上一次的渲染当中不存在当前节点，会进入相对应的 current 为空的逻辑：didReceiveUpdate 赋值为 false
### beginWork ### beginWork

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