Top React Questions and Answers for Exam Preparation

Explore top React questions and answers to boost your exam preparation and enhance your understanding of key concepts.

React Questions

Q. Which prop identifies elements in a list?

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Q. What is the purpose of React Router?

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Q. Which hook runs after every render?

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Q. What does ReactDOM.render do?

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Q. Which method updates props in a class component?

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Q. What is the purpose of useRef?

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Q. Which prop prevents re-rendering?

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Q. What is a higher-order component?

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Q. Which lifecycle method is called before unmounting?

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Q. What does useContext do?

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