Frontend & React
Rendering behaviour, hooks, state management and performance — the questions that separate someone who used React from someone who understands it.
5 questions 16 min read 33.8K candidates preparing
Before you sit for this round
- Be able to explain re-render triggers precisely
- Know why keys matter in lists, with a concrete bug example
- Prepare one performance problem you diagnosed and fixed
- Have an opinion on state management and defend it
Questions & model answers
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