React bank React Hooks React / 10 questions Your progress 0 / 10 done Saved in this browser. Reset All 10 Easy 3 Medium 4 Hard 3 Hide done No questions match those filters. 01 useState Internals Easy 02 useEffect Patterns Medium 03 useCallback & useMemo Medium 04 useRef vs useState Easy 05 useReducer Medium 06 useContext Easy 07 Custom Hooks Medium 08 useLayoutEffect vs useEffect Hard 09 useTransition & Concurrent Mode Hard 10 useDeferredValue Hard ← Previous React Core Next → Performance