← Your Search Box Lags. Debounce Hides It; `useTransition` Fixes ItQuiz
Test yourself — the input lag bug and useTransition
Check what actually stuck about React's startTransition, why debounce doesn't fix a blocking render, and when a different tool (useDeferredValue) is the better fit.
questions8
pass mark70%
resultsat the end
No account needed. Answer all 8 questions, then see your score with every answer explained and a reference to the spec or MDN — pass and you can claim a certificate.