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Update beginWork.md #139

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2 changes: 1 addition & 1 deletion docs/process/beginWork.md
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Expand Up @@ -34,7 +34,7 @@ function beginWork(

- `update`时：如果`current`存在，在满足一定条件时可以复用`current`节点，这样就能克隆`current.child`作为`workInProgress.child`，而不需要新建`workInProgress.child`。

- `mount`时：除`fiberRootNode`以外，`current === null`。会根据`fiber.tag`不同，创建不同类型的`子Fiber节点`
- `mount`时：除`rootFiber`以外，`current === null`。会根据`fiber.tag`不同，创建不同类型的`子Fiber节点`

```js
function beginWork(
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