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Do you really know React?

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20. Error Boundary React medium
19. lazy initial state React Hooks easy
18. useRef 2 React Hooks medium
17. flushSync()React Hooks medium
16. event callback React Hooks easy
15. memo 2 React easy
14. async event handler React medium
13. useRef React Hooks medium
12. useEffect React medium
11. callback props React easy
10. useLayoutEffect()React Hooks medium
9. React re-render 6 - Context React easy
8. Suspense 2 React medium
7. Suspense 1 React medium
6. React re-render 5 - context React medium
4. React re-render 4 React medium
3. React re-render 3 React easy
2. React re-render 2 - memo()React easy
1. React re-render 1 React medium