useOptimistic Quiz

Test your knowledge of the useOptimistic Hook in React, including optimistic UI, pending actions, update functions, rollback behavior, and common caveats.

20 questions · free · answers explained

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All questions in this quiz

  1. What does useOptimistic help you build?
  2. What is optimistic UI?
  3. What does useOptimistic return?
  4. What kind of interaction commonly benefits from useOptimistic?
  5. What should the optimistic update function be?
  6. Why should optimistic items often be visually marked as pending?
  7. What should happen if the async operation fails?
  8. What does useOptimistic not do by itself?
  9. Which value should useOptimistic receive as its base state?
  10. How is useOptimistic different from useState?
  11. Which user experience problem can useOptimistic reduce?
  12. What should optimistic UI avoid?
  13. What is a common pattern after a successful optimistic action?
  14. Why might optimistic items need temporary IDs?
  15. What should the update function avoid doing?
  16. Where should useOptimistic be called?
  17. Which scenario is a poor fit for optimistic UI?
  18. What should happen when the confirmed base state changes?
  19. What is one good reason to combine useOptimistic with a form action?
  20. What is the main rule for useOptimistic?

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