How can I use React hooks to improve my app's performance?
You can use hooks like useMemo
and useCallback
to optimize performance by memoizing values and functions.
Can you explain how useMemo
works?
Sure! useMemo
returns a memoized value, recalculating it only when its dependencies change, which helps avoid unnecessary re-renders.
What about useCallback
? How is it different?
useCallback
returns a memoized version of a callback function, preventing it from being recreated on every render unless its dependencies change.
Are there any performance pitfalls I should be aware of?
Yes, overusing these hooks can lead to complexity and may actually degrade performance if not used wisely.
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