Zustand quiz

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

How do you read state from a component?

1. How do you read state from a component?
2. When using `persist`, how do you handle schema migrations?
3. What size does Zustand add to the bundle?
4. How do you read state OUTSIDE React (e.g. in a util)?
5. `set(partial)` vs `set(state => partial)` — what is the difference?
6. Does `set` replace the whole state or merge it?
7. Which middleware persists state to localStorage?
8. Which middleware enables Redux DevTools integration?
9. You import the store hook in 10 components. How many store instances exist?
10. Does Zustand need a Provider at the React root?
11. Is Zustand tied to React?
12. A common pattern for big stores:

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