Frontend Developer Interview Questions

8,961 frontend developer interview questions shared by candidates

1) Create an application in react which displays login page on success, and error message on unsuccessful attempt (In 1 or 2 hours) Focus is given on code quality and sanity 2) JavaScript fundamentals 3) About Interceptors 4) Work done on previous projects and role 5) Questions on react state management, props, hooks, and architecture

Frontend Developer

Interviewed at Hartley Lab

1.7
Jun 15, 2022

1) Create an application in react which displays login page on success, and error message on unsuccessful attempt (In 1 or 2 hours) Focus is given on code quality and sanity 2) JavaScript fundamentals 3) About Interceptors 4) Work done on previous projects and role 5) Questions on react state management, props, hooks, and architecture

Write recursive function that as an argument gets n and calculates what is corresponding number in n place in Fibonacci sequence For example f(8) = 21 (Fibonacci sequence for example: 0,1,1,2,3,5,8,13,21,34,55….) a. Discuss performance of the function with large n number. What are pitfalls? How function can be optimized. b. Bonus: write function complexity of space and time.
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Senior Frontend Developer/AngularJs

Interviewed at NeoGames

4.2
May 31, 2015

Write recursive function that as an argument gets n and calculates what is corresponding number in n place in Fibonacci sequence For example f(8) = 21 (Fibonacci sequence for example: 0,1,1,2,3,5,8,13,21,34,55….) a. Discuss performance of the function with large n number. What are pitfalls? How function can be optimized. b. Bonus: write function complexity of space and time.

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