Lead Front End Developer Interview Questions

8,509 lead front end developer interview questions shared by candidates

Design a webpage which can auto post new posts when you reach the bottom of the page by using javascript. So you may use AJAX and some javascript event listeners. But, they do not require you remember the functions names, it will be great as long as you can describe your thought and design.
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Front End Developer

Interviewed at Google

4.4
Dec 9, 2013

Design a webpage which can auto post new posts when you reach the bottom of the page by using javascript. So you may use AJAX and some javascript event listeners. But, they do not require you remember the functions names, it will be great as long as you can describe your thought and design.

First Round: Questions on CSS specificity, position Questions on JS concepts like inheritance, arrow functions, variable hoisting, variable declaration and memory allocation etc. Second Round: Write an algorithm to merge overlapping ranges, given two sets of ranges. Discussion on implementation of infinite scroll Third Round: Program to efficiently deal with hierarchical data where the data itself is stored in a flat format
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Software Engineer - Front End

Interviewed at Rippling

3.7
Nov 22, 2020

First Round: Questions on CSS specificity, position Questions on JS concepts like inheritance, arrow functions, variable hoisting, variable declaration and memory allocation etc. Second Round: Write an algorithm to merge overlapping ranges, given two sets of ranges. Discussion on implementation of infinite scroll Third Round: Program to efficiently deal with hierarchical data where the data itself is stored in a flat format

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