Optimizing React Components With UseMemo Hook
useMemo optimizes React components by memoizing computed values or function results. It prevents unnecessary re-renders & computations, improving app performance. Use it with a dependency array to ensure functions only execute when state changes.
At the very starting after listening useMemo what come in mind at first is, what is useMemo? So, useMemo is the hook in react that helps on memoizating the computed value or the return result of the function. It is used for the optimization of the react component. Ok optimization, let's discuss how useMemo is helping in optimization. As we know react rerenders the component after the change in state. Because of which many unnecessary function or other operations that are heavy which are not linked to the state may execute too.
import { useState } from "react";
const App = () => {
const [cou...