React Hooks Part 4
Memoization for Fun and Profit Performance
What is Memoization
In computing, memoization is an optimization technique used primarily to speed up computer programs by storing the results of expensive function calls and returning the cached result when the same inputs occur again.
1. Make it Work
2. Make it Right
3. Make it Fast
Memoization in React
useCallback
First: Pure Components
Pure components only re-render when their props change.
