How can I improve performance in React 17 using hooks?
You can improve performance by using the useMemo
and useCallback
hooks to memoize 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
is similar but memoizes functions instead of values. It helps prevent re-creation of functions on every render.
Are there any other hooks that can help with performance?
Yes, React.lazy
and Suspense
can help with code splitting, loading components only when needed, which improves initial load time.
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