Day 10 : useMemo useCallback ProviderContext CustomHooks - React Full Course for Beginners
Frontend Interview Kit:
https://topmate.io/frontendmaster/671812
Summary:
00:00:00 Agenda
00:01:30 cleanup function of useEffect
00:09:00 What happens on state change
00:23:00 memo
00:27:00 useMemo
00:29:30 useCallback
00:34:00 When to use these performance optimisations
00:41:00 custom hook
00:49:00 API call using custom hook
01:00:20 Provider Context
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