Frontend Developer Interview Questions

8,963 frontend developer interview questions shared by candidates

1. other method to create react app 2. diff between npm and npx 3. webpack configuration 4. how to share information between two domains. (cross browser sharing ?? ) 5. difference between let and const 6. shallow copy and deep copy of object 7. input type="email" is handled by html or js ? 8. img tag property to lazy load the images 8. position- static and sticky difference 9. layout to make square arrangement - grid right answer.
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Senior Frontend Developer

Interviewed at smartSense Consulting Solutions

4.8
Sep 12, 2023

1. other method to create react app 2. diff between npm and npx 3. webpack configuration 4. how to share information between two domains. (cross browser sharing ?? ) 5. difference between let and const 6. shallow copy and deep copy of object 7. input type="email" is handled by html or js ? 8. img tag property to lazy load the images 8. position- static and sticky difference 9. layout to make square arrangement - grid right answer.

React exercise: they give you some react code and ask you to refactor it. It's not a difficult challenge, basically is a non-performant react component and all you need to is refactor it a little bit to add performance (useMemo and useCallback).
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Frontend Developer

Interviewed at Leniolabs

4.7
Nov 13, 2024

React exercise: they give you some react code and ask you to refactor it. It's not a difficult challenge, basically is a non-performant react component and all you need to is refactor it a little bit to add performance (useMemo and useCallback).

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