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 call an action from another action?

1. How do you call an action from another action?
2. How do you subscribe to a specific slice from outside React?
3. Does Zustand need a Provider at the React root?
4. You select `(s) => ({a: s.a, b: s.b})` — what is the rendering issue?
5. What is Zustand?
6. Which middleware persists state to localStorage?
7. When using `persist`, how do you handle schema migrations?
8. Does Zustand support TypeScript?
9. A common pattern for big stores:
10. Which middleware enables mutable-style updates ("draft = state")?
11. Why is Zustand often picked over Redux Toolkit for small apps?
12. Does `set` replace the whole state or merge it?

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