React Quizzes

Test your knowledge of React quirks.

• 24. useEffect() timingReactHooksfew challengers
• 23. Suspense 3ReactHooksmedium
• 22. useState()ReactHookshard?
• 21. useEffect() IIReactHooksmedium
• 20. Error BoundaryReactmedium
• 19. lazy initial stateReactHookseasy
• 18. useRef 2ReactHooksmedium
• 17. flushSync()ReactHooksmedium
• 16. event callbackReactHookseasy
• 15. memo 2Reacteasy
• 14. async event handlerReactmedium
• 13. useRefReactHooksmedium
• 12. useEffectReactmedium
• 11. callback propsReacteasy
• 10. useLayoutEffect()ReactHooksmedium
• 9. React re-render 6 - ContextReacteasy
• 8. Suspense 2Reactmedium
• 7. Suspense 1Reactmedium
• 6. React re-render 5 - contextReacteasy
• 5. Automatic batching 1Reactmedium
• 4. React re-render 4Reactmedium
• 3. React re-render 3 Reacteasy
• 2. React re-render 2 - memo()Reacteasy
• 1. React re-render 1Reactmedium