Frontend Developer Interview Questions

8,954 frontend developer interview questions shared by candidates

Interview questions were overengineered, didn't apply to my skillset because they weren't trying to determine my skill level in regards to developing solutions to issues with logical complexity, my knowledge of data structures or architecture in general. I felt like I was just answering questions in order for them to make observations and felt like a waste of time
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FrontEnd Developer

Interviewed at EPAM Systems

4
Jun 2, 2022

Interview questions were overengineered, didn't apply to my skillset because they weren't trying to determine my skill level in regards to developing solutions to issues with logical complexity, my knowledge of data structures or architecture in general. I felt like I was just answering questions in order for them to make observations and felt like a waste of time

Q.If a button hit results in an API hit, and if I hit the button multiple times, how can you do it the angular way to make sure all n-1 requests sent to Server are cancelled and only nth request is send to server? How will you accomplish this? Q. A Puzzle: child1 says "I am a boy". child2 says "I am a girl". Given that atleast 1 is lying, how will you determine who is boy, who is girl? Q.Why is Angular used over JavaScript? Q.Two sorted arrays(no.s) of n, m+n length where m+n one has n empty places. In minimum Time Complexity & Space, obtain the combination sorted into m+n array.
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Software Engineer(Frontend)

Interviewed at Quovantis Technologies

4
Jan 27, 2017

Q.If a button hit results in an API hit, and if I hit the button multiple times, how can you do it the angular way to make sure all n-1 requests sent to Server are cancelled and only nth request is send to server? How will you accomplish this? Q. A Puzzle: child1 says "I am a boy". child2 says "I am a girl". Given that atleast 1 is lying, how will you determine who is boy, who is girl? Q.Why is Angular used over JavaScript? Q.Two sorted arrays(no.s) of n, m+n length where m+n one has n empty places. In minimum Time Complexity & Space, obtain the combination sorted into m+n array.

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