useState and useReducer both do the same fundamental job: they let a component hold state that persists between renders and trigger a re-render when that…
useEffect and useLayoutEffect look almost identical on the surface — same signature, same dependency array, same cleanup function pattern. Copy-paste one into the other and…
If you’ve spent any time writing React, you’ve probably run into useMemo and useCallback and wondered why React needs two separate hooks that seem to…