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fix: correct translations #1339

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merged 3 commits into from
Oct 16, 2023
Merged

fix: correct translations #1339

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7180a05
update synchronizing-with-effects.md
jackleeio Oct 11, 2023
7a4b013
Merge branch 'main' into main
jackleeio Oct 12, 2023
b8864ec
Merge branch 'main' into main
Yucohny Oct 16, 2023
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2 changes: 1 addition & 1 deletion src/content/learn/synchronizing-with-effects.md
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Expand Up @@ -609,7 +609,7 @@ useEffect(() => {
}, [zoomLevel]);
```

请注意，在这种情况下不需要清理。在开发环境中，React 会调用 Effect 两次，但这两次挂载时依赖项 `setZoomLevel` 都是相同的，所以会跳过执行第二次挂载时的 Effect。开发环境中它可能会稍微慢一些，但这问题不大，因为它在生产中不会进行不必要的重复挂载。
请注意，在这种情况下不需要清理。在开发环境中，React 会调用 Effect 两次，但这两次挂载时依赖项 `zoomLevel` 都是相同的，所以会跳过执行第二次挂载时的 Effect。开发环境中它可能会稍微慢一些，但这问题不大，因为它在生产中不会进行不必要的重复挂载。

某些 API 可能不允许连续调用两次。例如，内置的 [`<dialog>`](https://developer.mozilla.org/zh-CN/docs/Web/API/HTMLDialogElement) 元素的 [`showModal`](https://developer.mozilla.org/zh-CN/docs/Web/API/HTMLDialogElement/showModal) 方法在连续调用两次时会抛出异常，此时实现清理函数并使其关闭对话框：

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