Other Companies (Name Not Shared) React.js Interview Questions for Not specified

Shared question set for Not specified of experience, Round 1 technical (45 minutes). Topics and wording follow the supplied notes; these are questions, not official company guidance.

1. What is the difference between props and state?
2. Explain React Hooks and their use cases.
3. How does useEffect work?
4. What causes a React component to re-render?
5. How do you handle API integration in React?
6. Explain var, let and const.
7. What is event bubbling and event capturing?
8. What is the difference between map(), filter() and reduce()?
9. Given an array containing numbers and characters: remove the non-numeric characters, remove duplicate numbers, sort the remaining numbers and display only the required numeric values.

Browse React.js question sets