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Javascript Engineer Interview Questions

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1,561 javascript engineer interview questions shared by candidates

The live coding interview consisted of two JavaScript tasks. One involved implementing a function and ensuring it passed all the provided tests. The other focused on fixing a data manipulation function, with an emphasis on clean code and good engineering practices
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Senior JavaScript Engineer

Interviewed at Passion.io

4★
Dec 15, 2025

The live coding interview consisted of two JavaScript tasks. One involved implementing a function and ensuring it passed all the provided tests. The other focused on fixing a data manipulation function, with an emphasis on clean code and good engineering practices

Tell me more about the projects you listed on your resume. What made you come up with the project? Why do you choose to study Computer Science? Tell me about your experience working with a team. How do you handle a situation when one of the team member does not do the work?
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Software Engineer Intern, JavaScript

Interviewed at ScienceLogic

3.9★
Mar 13, 2017

Tell me more about the projects you listed on your resume. What made you come up with the project? Why do you choose to study Computer Science? Tell me about your experience working with a team. How do you handle a situation when one of the team member does not do the work?

Started great and ended horribly. It all went well till assignment round until I was given an assignment with 3 hours length although it was a week longer if you try to finish the whole task. I picked up a part of it and tried to complete it. Then came the review round where two tech team members joined and they started reviewing and I started explaining and there was a part where I couldn't explain well my approach as I put that just as a normal thing without thinking much and interviewers even though understood that I am not able to explain the part well, kept on emphasis only on the same to the point where it looked like they are making fun of my knowledge about the subject and they stretched for 1 and half hour just to show their own knowledge on that topic just to reject me on a mail afterwards.
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Senior javascript developer

Interviewed at BuildingMinds

3.3★
May 16, 2021

Started great and ended horribly. It all went well till assignment round until I was given an assignment with 3 hours length although it was a week longer if you try to finish the whole task. I picked up a part of it and tried to complete it. Then came the review round where two tech team members joined and they started reviewing and I started explaining and there was a part where I couldn't explain well my approach as I put that just as a normal thing without thinking much and interviewers even though understood that I am not able to explain the part well, kept on emphasis only on the same to the point where it looked like they are making fun of my knowledge about the subject and they stretched for 1 and half hour just to show their own knowledge on that topic just to reject me on a mail afterwards.

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