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React Interview Questions

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21.

What is prop drilling and how can you avoid it?

intermediate

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22.

What are SyntheticEvents in React?

intermediate

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23.

What are React lifecycle methods?

intermediate

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24.

Name the most commonly used lifecycle methods?

intermediate

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25.

What is componentDidMount and when is it used?

intermediate

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26.

What is componentWillUnmount and when is it used?

intermediate

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27.

What are React Hooks?

intermediate

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28.

What is useEffect hook and what are its use cases?

intermediate

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29.

What's the difference between useEffect with and without dependencies?

intermediate

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30.

What is useContext hook?

intermediate

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31.

What is useReducer hook and when should you use it?

intermediate

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32.

What are the rules of Hooks?

intermediate

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33.

What is useMemo hook and when should you use it?

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34.

What is useCallback hook?

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35.

What is useRef hook?

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36.

What are custom Hooks?

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37.

What is React Context and when should you use it?

intermediate

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38.

How do you create and consume Context?

intermediate

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39.

What are different ways to manage state in React?

intermediate

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40.

When should you use external state management libraries?

intermediate

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Showing 21 to 40 of 103 results

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