What are some common mistakes developers make when using useCallback in React?
One common mistake is not understanding when to use useCallback, leading to unnecessary re-renders.
Can you give me an example of that?
Sure! If you wrap a function in useCallback but don't include all dependencies, it may not update as expected.
What about performance issues? Can it actually slow down my app?
Yes, overusing useCallback can lead to performance issues due to the overhead of creating memoized functions.
How can I determine if I really need to use it?
You should use useCallback when passing functions to optimized child components that rely on reference equality.
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