Front End Engineer Interview Questions

14,983 front end engineer interview questions shared by candidates

Two coding questions. The first was a front end JS coding challenge to create query refiner-like selection boxes from the given raw data in object. Coding was performed directly on the laptop provided by interviewer. The next was a white board coding that is to write a function on the white board to return the subtree nodes under an input node from the raw data that represents the tree.
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Front End Developer

Interviewed at ServiceNow

4.1
Jun 18, 2019

Two coding questions. The first was a front end JS coding challenge to create query refiner-like selection boxes from the given raw data in object. Coding was performed directly on the laptop provided by interviewer. The next was a white board coding that is to write a function on the white board to return the subtree nodes under an input node from the raw data that represents the tree.

I can not say the details but they do not ask questions like other companies. They will put you in the process of a long and excessive tests of computer science. minimum questions about JS and HTML all about backend and architecture.
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Front End Developer

Interviewed at Amazon

3.5
Sep 1, 2017

I can not say the details but they do not ask questions like other companies. They will put you in the process of a long and excessive tests of computer science. minimum questions about JS and HTML all about backend and architecture.

Lets say you have two strings: 'the' and 'The cop has a nice little hat.' Write a function that will check each character from first string and count the same in the second string. Return the total count. For example, character 't' occurred 3 times (case sensitive), character 'h' occurred 3 times and character 'e' occurred 3 times in the second string. Total count = 9.
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Senior Front End Engineer

Interviewed at Amazon

3.5
Nov 9, 2017

Lets say you have two strings: 'the' and 'The cop has a nice little hat.' Write a function that will check each character from first string and count the same in the second string. Return the total count. For example, character 't' occurred 3 times (case sensitive), character 'h' occurred 3 times and character 'e' occurred 3 times in the second string. Total count = 9.

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