UseContext Hook| State Lifting | Props Drilling | ReactJS Full Course #10

🔥 In this video, you'll learn React Context API from scratch using first principles thinking! **What You'll Learn:** ✅ What is State Lifting and why it's needed ✅ The Prop Drilling problem with real examples ✅ How Context API solves prop drilling ✅ Creating and using Context (React 19 new syntax) ✅ useContext hook explained with mental models ✅ Complete e-commerce cart example ✅ Best practices and performance optimization **Topics Covered:** - State Lifting between sibling components - Prop Drilling and its problems - Creating Context with createContext() - Provider component and how it works - Consuming Context with useContext hook - Mental model: How does child access grandparent's state? - What values can go inside Context - useMemo for performance optimization - Complete practical example with code **Perfect for:** - React developers learning state management - Anyone struggling with prop drilling - Students preparing for React interviews - Developers wanting to understand Context deeply 📚 **Course Links:** Coder Army Complete Web Development Course: [Your Course Link] Join our community: [Discord/Telegram Link] 💻 **Source Code:** GitHub Repository: [Add your repo link] 🎯 **Follow Coder Army:** Instagram: [Your Instagram] Twitter: [Your Twitter] LinkedIn: [Your LinkedIn] **Related Videos:** - useState and useEffect Explained - React Hooks Complete Guide - React Performance Optimization #React #ReactJS #ContextAPI #useContext #WebDevelopment #JavaScript #ReactHooks #CoderArmy #ReactTutorial #PropDrilling #StateManagement #ReactHindi --- **Subscribe to Coder Army for more first-principles programming tutorials! 🚀** Don't forget to like, share, and comment if this helped you understand Context API! Visit Strike: https://strikes.in/ Class start from 1 december Visit Coder Army Website: https://coderarmy.in/#home Course start date: 1 september Timing: 6pm (Mon-fri) Hackathon will be organised after course completion Join Premium Whatsapp Group: https://whatsapp.com/channel/0029Va6H0tbHVvTbcuT99Y1f Class Notes : https://www.notion.so/Lecture10-useContext-Hook-2f9a9af81c9880819a32ddd34cd099c0?source=copy_link Code Link: https://github.com/coderarmy-notes/mern-stack-course Twitter: https://x.com/rohit_negi9?s=21 Channel: ‪@CoderArmy9‬ Buy Our Premium Course of Web dev+Blockchain+HLD+DSA: https://rohittnegi.akamai.net.in/new-courses/4-web-development-block-chain (5500 only) Time Stamp: #javascript #webdevelopment #mernstack