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ReactReact Interview QuestionsCareerKit
- TopicReact
- LevelIntermediate
- Length161 pages
- Inside120 questions
- FormatPDF
React Interview Questions
Hooks, state management, rendering and performance questions asked for React developer roles.
What's inside
- JSX, components and props
- State and the useState hook
- useEffect and side effects
- Context, Redux and state management
- Performance: memo, useMemo, useCallback
- Machine coding round practice
Sample from the ebook
Why do we need keys in lists?
Keys help React identify which items changed, were added or removed, so it can update only those items instead of re-rendering the whole list.
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Free sample questions
Read 12 full answers from this ebook for free, and see all 120 questions it covers.
- What is React, and why is it so popular?
- What is JSX, and what does it compile to?
- What is state, and how is it different from props?
- How does useState work?