Refs & Performance Optimization in React – useRef, useMemo, useCallback & React.memo | JDCodebase

Description

Refs & Performance Optimization in React – Web Development Series – JDCodebase In this video, we dive deep into Refs and Performance Optimization in React. This topic is very important when building real-world React applications, especially when your app starts growing in size. We understand how React re-renders work and how to prevent unnecessary re-renders using useRef, useMemo, useCallback, and React.memo. This video is explained in a very beginner-friendly way with practical examples inside VS Code. What You Will Learn: • What is useRef in React • Difference between useRef and useState • Accessing DOM elements using useRef • What is performance optimization in React • Why unnecessary re-renders happen • What is useMemo and when to use it • What is useCallback and why function recreation matters • What is React.memo and how it prevents re-renders • Difference between useMemo, useCallback, and React.memo • Best practices for optimization We also build practical examples to understand: • Slow function recalculation problem • Preventing unnecessary calculations using useMemo • Preventing child re-renders using useCallback and React.memo Resources: Complete PPT: https://1drv.ms/p/c/d9a1d5f2dacf7aea/IQAu1g5ERADiSpZ0yvOMtA3xAWPNc_bPC0JGYcnEhWBtb0M?e=GfEDlD Full React Playlist: https://www.youtube.com/playlist?list=PLKIziyQytJbszB8ij_JomsQXVggO-yzFr Web Devlopment: https://www.youtube.com/playlist?list=PLKIziyQytJbvEtBirMvnUmwyoT1gDuW6t About This Series: This Web Development Series covers HTML, CSS, JavaScript, React, Tailwind CSS, and full MERN stack development in a structured beginner-to-advanced roadmap. If you are learning React and want strong fundamentals, this series will help you step by step. Support the Channel: If this video helped you, make sure to like, share, and subscribe to the channel. Your support helps us create more quality content. #react #reactjs #reactforbeginners #webdevelopment #frontenddevelopment #javascript #webdevseries #jdcodebase #learnreact #codingforbeginners