midReact Hooks
What is useReducer and how is it different from useState?
Updated May 6, 2026
Short answer
useReducer manages complex state logic using reducer functions.
Deep explanation
It is preferred when state transitions depend on previous state or multiple sub-values.
Real-world example
Form state management or Redux-like logic.
Common mistakes
- Using it for simple state unnecessarily.
Follow-up questions
- When should useReducer be preferred?
- Can useReducer replace Redux?