The useContext hook in React is a powerful tool for simplifying context consumption in functional components. It provides a straightforward way to access context values without the need for a consumer component, streamlining code and improving readability. With useContext, you can manage global state,...
Start Learning React from scratch watch our React JS Full Course: What is the useReducer Hook? React `useReducer()` hook is a powerful tool for managing states in a more structured and predictable manner. Reducer in React is particularly useful when dealing with complex state logic that involves...
ReactJS is a JavaScript library for building user interfaces with features such as JSX, and virtual DOM for efficient updates and unidirectional data flow.
*Process useContext Hook *Process useReducer Hook *Handle useImperativeHandle Callbacks -> Complete Work *Create Work In Progress Tree *Process Side-Effects *Merge New Fibers with Old Fibers *Check for Interrupted Work *Update Memoized State and Props *Compute Expiration Time for Updates *Handle Pr...
log('Render: ', child) return ( {child}: {value} ) } export default React.memo(Child) Note: If the component has a useState, useReducer, or useContext Hook, the state or context will still trigger a rerender. To regulate the memo’s typical behavior, which shallowly compares complex...
importReact,{useContext,useState}from'react';constThemeContext=React.createContext();functionThemeProvider(props){const[theme,setTheme]=useState('light');return(<ThemeContext.Providervalue=>{props.children}</ThemeContext.Provider>);}functionChildComponent(){const{theme,setTheme}=useContext(ThemeContext);re...
With this "useContext" hook store context value to two variables ( value and setValue). 'value' will be used to display current value and 'setValue' will be used to change value. See the code below. //NestedChild.js file import React, { useContext } from 'react'; import { MyContext...
Hooks like useState, useEffect, and useContext simplify state management, side effects, and data sharing between components. React’s core principle is to re-render components only when their state changes, optimizing performance. The useState hook enables components to manage and update their state,...
import{useClientPrincipal}from"@aaronpowell/react-static-web-apps-auth";importReact,{createContext,useContext}from"react";type GitHubUser={login:string;avatar_url:string;html_url:string;name:string;company:string;blog:string;location:string;bio:string;twitter_username:string;};constGitHubIdent...