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Nealyang avatar Nealyang commented on July 30, 2024

“在react hooks组件中声明的任何方法，或者任何对象都必须要包裹在useCallback或者useMemo中。”

不敢苟同

https://kentcdodds.com/blog/usememo-and-usecallback

from blog.

forthealllight avatar forthealllight commented on July 30, 2024

“在react hooks组件中声明的任何方法，或者任何对象都必须要包裹在useCallback或者useMemo中。”

不敢苟同

https://kentcdodds.com/blog/usememo-and-usecallback

怎么说呢，使用useCallback和useMemo本身确实会带来一定的内存等消耗。你这篇文字我看了，没有给出实际的性能分析对比，我目前在项目中，对props的依赖大部分都用useCallback和useMemo包裹了，当然最好的还是选择性使用，比如按你的意思，非复杂计算，完全没有必要缓存等。

from blog.

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