When should I use useState vs useReducer?
Use useState for simple, independent pieces of state like a counter or a text input. Use useReducer for complex state with many related fields, clear state transitions, or when the next value depends on multiple factors, like a multi-field form.
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More FAQs in When to Use useState vs useReducer in React
useReducer models state as a reducer function that takes the current state and an action and returns the new state. It is suited to complex state logic with clear transitions, similar to how Redux works but built into React.
Not universally. useState is simpler and more concise for simple state. useReducer is more structured and testable but has more boilerplate. The choice is about clarity for your specific state, not about one being better.
Yes. They are not exclusive. Use useState for simple independent values and useReducer for a complex related part of the state in the same component.
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