Zustand quiz

Test your Zustand knowledge with a free interactive quiz — 50 questions with answers and explanations. No signup needed to play.

When using `persist`, how do you handle schema migrations?

1. When using `persist`, how do you handle schema migrations?
2. Does `set` replace the whole state or merge it?
3. Does Zustand support TypeScript?
4. How is a store created?
5. How do you read state OUTSIDE React (e.g. in a util)?
6. Why is Zustand often picked over Redux Toolkit for small apps?
7. Does Zustand cause global re-renders when one slice changes?
8. Which middleware enables mutable-style updates ("draft = state")?
9. You select `(s) => ({a: s.a, b: s.b})` — what is the rendering issue?
10. Is Zustand tied to React?
11. How do you call an action from another action?
12. What size does Zustand add to the bundle?

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