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React Interview Questions
Common React questions covering hooks, rendering, performance and architecture.
10 Questions
3 Easy
6 Medium
1 Hard
Pro Tips
Quick reminders before you dive into the questions.
- Explain re-renders precisely: state changes trigger renders, props don't unless parent re-renders.
- Know which hook to reach for and why (useMemo vs useCallback vs useRef).
- Be ready to whiteboard a custom hook.
Questions & Answers
Keep the momentum going
Move on to the next topic or polish your GitHub profile while the concepts are fresh.