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

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💻 **Source Code:**
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**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

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