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45 interview questions on React ⚛️for developers (2025)

Test your technical skills before an interview of React ⚛️ with 45 corrected questions. Beginner, Intermediate or Expert level.

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45 questions
Easy
31 votes5835 runs
1 comment
Easy
25 votes5819 runs1 comment
Medium
16 votes5968 runs
2 comments
Easy
10 votes3530 runs0 comment
Easy
9 votes4473 runs1 comment
Medium
8 votes4580 runs1 comment
Medium
8 votes1765 runs2 comments
Easy
7 votes4365 runs0 comment

Which statement(s) are true about hooks?

Web developer
react
hooks
Clément DEVOSat Jan 4, 2022
Hard
7 votes4297 runs1 comment

Write a React component that displays the number 2

Web developer
react
state
useState
Vincent Cotroat Jan 4, 2022
Easy
7 votes4025 runs
3 comments

UseState and useEffect in React

Web developer
state
useState
useEffect
Vincent Cotroat Jan 4, 2022
Easy
7 votes3279 runs
1 comment
Easy
4 votes3209 runs2 comments
Easy
3 votes1585 runs
4 comments
Easy
3 votes1579 runs0 comment
Easy
3 votes748 runs0 comment
Medium
2 votes1087 runs1 comment