React System Design #20 React Local vs Global State 🔥 | Context API vs Redux Explained
In this video of the React System Design Series, we dive deep into one of the most important concepts in React architecture — Local State vs Global State.
You’ll learn:
What is Local State in React?
What is Global State?
When to use useState vs useReducer
Context API vs Redux (which one to choose?)
Performance impact of wrong state management
Real-world examples (Cart, Auth, Theme, Chat apps)
🚀 This video is perfect for:
React Developers
Frontend Interviews preparation
System Design learners
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Key takeaway:
Choosing the right type of state (local vs global) can significantly improve your app performance and scalability.
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