useMemo and useCallback | Lesson 9 | React Course in Italian
Let's get back to React hooks, focusing on performance with useMemo and useCallback. These two allow you to avoid having to re-execute computationally expensive functions (useMemo) or store entire functions, preventing them from being re-initialized with each re-render (useCallback).
Specifically:
00:00 Intro
01:41 What is useMemo for?
02:35 Key points of useMemo
03:00 Implementation of useMemo
10:55 What is useCallback for?
11:29 Key Points of useCallback
11:50 Implementation of useCallback
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