React 19 Tutorial in Hindi #22 - React Lifecycle with useEffect

Note:- 1 Month Live HTML To React Course:https://topmate.io/mohitdecodes/1519892 In this video, you'll understand the React Lifecycle — the journey of a component from creation to destruction. We'll break down the three key phases: Mounting, Updating, and Unmounting, and explain how to handle each one using the powerful useEffect hook. This is crucial for writing clean, optimized, and bug-free React code, especially when dealing with API calls, event listeners, or timers. 📌 Topics Covered: What is React Component Lifecycle? Mounting Phase – useEffect with empty dependency Updating Phase – useEffect with dependency array [state] Unmounting Phase – useEffect cleanup return When & Where to Fetch API Data When React Triggers Updates (props/state change) Cleanup Tasks – Clear timers, cancel requests, remove listeners Real-life examples & best practices 🛠️ Use Cases: Fetching data on component load Listening to window events Timer-based updates Cleaning up on component removal 📢 **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 📂 **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/) #React19 #ReactLifecycle #MohitDecodes #useEffectExplained #ReactHooks #ReactInHindi #ReactMounting #ReactUnmounting #WebDevelopment #FrontendTips React lifecycle, React lifecycle tutorial Hindi, useEffect lifecycle phases, React 19 hooks, mounting updating unmounting React, React component lifecycle, React cleanup useEffect, React hooks explanation, useEffect with dependencies, React interview preparation, Mohit Decodes React Hindi --- Copyright Notice: © Mohit Decodes. All rights reserved. Unauthorized reproduction or distribution of this content is prohibited. For permissions, contact via LinkedIn or email.