React 19 Tutorial in Hindi #40 - useCallback Hook

Note:- 1 Month Live HTML To React Course:https://topmate.io/mohitdecodes/1519892 React useCallback Hook – Optimize Functional Components In this video by Mohit Decodes, you'll learn about the useCallback hook in React. This hook helps you memoize functions to prevent unnecessary re-creations during re-renders — especially useful when passing callbacks to child components. 📌 Topics Covered: What is useCallback in React? Difference between useMemo and useCallback. When and why to use useCallback. Practical use-case with component performance demo. Common interview questions and real-world scenarios. 💡 Perfect for intermediate React developers who want to level up their performance optimization game. 📢 **Resources:** 👉 **NodeJS Download Link**: https://nodejs.org 👉 **VS Code Download Link**: https://code.visualstudio.com/ 👉 **Vite Download Link**: https://vite.dev/guide/ 👉 **Vite Online Playground*- https://vite.new 👉 **React Documentation* - https://react.dev 👉 **MUI Documentation* - https://mui.com/material-ui/getting-started/installation/ 📂 **Playlist Links:** - React 19 Tutorial (Hindi):[Watch Here](https://www.youtube.com/playlist?list=PLsjpRo2EZP1KK2XFRx8ByU3ZZDRCZcJV6) - JavaScript Tutorial (Hindi):[Watch Here](https://www.youtube.com/playlist?list=PLsjpRo2EZP1Jikto7Ycy9YGm15a4__jML) - HTML & CSS Projects (Hindi): [Watch Here](https://www.youtube.com/playlist?list=PLsjpRo2EZP1Jg6j1GpSts13oYOlfV0ARS) - HTML Full Course (Hindi): [Watch Here](https://www.youtube.com/playlist?list=PLsjpRo2EZP1I-QtilvpAa_WWR6_NybZgS) - CSS Full Course (Hindi): [Watch Here](https://www.youtube.com/playlist?list=PLsjpRo2EZP1JO1Pm6w6XBzOJ0viRfZjig) - Git and GitHib Copilot (Hindi): [Watch Here](https://www.youtube.com/playlist?list=PLsjpRo2EZP1KnLAsw76xe5iTqo6hegD6a) 🔗 **Follow Me for Updates:** - WhatsApp:[Connect with Me](https://whatsapp.com/channel/0029Vb6CABUIHphQqGRYP71u) - TopMate:[Connect with Me](https://topmate.io/mohitdecodes) - Instagram: [Connect with Me](https://www.instagram.com/mohit_decodes/) - Facebook: [Connect with Me](https://www.facebook.com/mohitdecode/) - LinkedIn: [Connect with Me](https://www.linkedin.com/in/mohitdecodes/) - GitHub: [Explore My Projects](https://github.com/mohitdjcet/) #ReactJS #useCallback #ReactHooks #ReactOptimization #Memoization #ReactPerformance #FrontendDevelopment #MohitDecodes useCallback hook, React useCallback, memoize functions in React, prevent re-renders in React, React hooks tutorial, useCallback vs useMemo, React performance optimization, ReactJS Hindi tutorial, React function memoization, Mohit Decodes --- Copyright Notice: © Mohit Decodes. All rights reserved. Unauthorized reproduction or distribution of this content is prohibited. For permissions, contact via LinkedIn or email.