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Frontend Software Engineer Interview Questions

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13,290 frontend software engineer interview questions shared by candidates

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.

Online Coding Question: Given an Array of numbers only, use the array sort API to sort it such that : a. The even numbers come to the left of array. b. The odd numbers come to the right of array. c. The groups of even & odd numbers is sorted in increasing order in itself. E.g.: Input : [99,88,77,66,55,44,33,22,11,94,87,2,9,13] Output: [2,22,44,66,88,94,9,11,13,33,55,77,87,99]

Frontend Engineer

Interviewed at Pepo

5★
May 5, 2016

Online Coding Question: Given an Array of numbers only, use the array sort API to sort it such that : a. The even numbers come to the left of array. b. The odd numbers come to the right of array. c. The groups of even & odd numbers is sorted in increasing order in itself. E.g.: Input : [99,88,77,66,55,44,33,22,11,94,87,2,9,13] Output: [2,22,44,66,88,94,9,11,13,33,55,77,87,99]

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