How does useCallback improve performance in React?
An example of an AI chatbot conversation about useCallback and its impact on React performance.
How does useCallback improve performance in React?
useCallback helps optimize performance by memoizing functions, preventing unnecessary re-creations on re-renders.
Can you give an example of how to use useCallback?
Sure! You can use it like this: const memoizedCallback = useCallback(() => { doSomething(a, b); }, [a, b]);.
When should I use useCallback?
Use it when passing callbacks to optimized child components that rely on reference equality to prevent re-renders.
Are there any downsides to using useCallback?
Yes, overusing it can lead to unnecessary complexity and may not always yield performance benefits.
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