useMemo : The useMemo is designed to optimize performance by caching (memoizing) the result of a calculation between component re-renders. The useMemo Hook only runs when one of its dependencies update. syntax : const Value = useMemo (() => calculateValue ( a , b ), [ a , b ]); useMemo have two...
Source: [Dev.to](https://dev.to/deva_i_932c8869ada96d4c9f/usememo-hook-in-react-4f8i)