Senior Frontend Developer Interview Questions

1,358 senior frontend developer interview questions shared by candidates

Took an Aptitude & Skills Assessment Test. Questions taken during the test require a bit of math comprehension but are not so advanced. There are a lot more questions than the time allotted so it is best not to spend too long on one question.
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Mid-Level & Senior Frontend Developer

Interviewed at JLS Trading

4.3
Nov 24, 2021

Took an Aptitude & Skills Assessment Test. Questions taken during the test require a bit of math comprehension but are not so advanced. There are a lot more questions than the time allotted so it is best not to spend too long on one question.

Write a program that sorts a list of comma-separated products. [name, popularity, price] [ 'Some item', 98, 14 .... ] The sorting is to be done by the most popular first. If products are equally popular, sort by cheapest price (lower is better).
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Senior Frontend Developer

Interviewed at Shopify

3.4
May 18, 2021

Write a program that sorts a list of comma-separated products. [name, popularity, price] [ 'Some item', 98, 14 .... ] The sorting is to be done by the most popular first. If products are equally popular, sort by cheapest price (lower is better).

Q1 : What is props drilling in ReactJS? Q2 : What is synthetic event in ReactJS? Q3 : What is react life cycle? Q4 : How you can demonstrate html page having video playing on load? Q5 : How do you put a background image in CSS stylesheet? Q6 : How to find object is array or object? Q7 : Find key from an object? const obj=[id1:1, id2:2] // findFun(id1) -> id1:1
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Senior Frontend Developer

Interviewed at Hinduja Tech

3.2
Sep 30, 2020

Q1 : What is props drilling in ReactJS? Q2 : What is synthetic event in ReactJS? Q3 : What is react life cycle? Q4 : How you can demonstrate html page having video playing on load? Q5 : How do you put a background image in CSS stylesheet? Q6 : How to find object is array or object? Q7 : Find key from an object? const obj=[id1:1, id2:2] // findFun(id1) -> id1:1

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