Questions
Manasi Gupta
Senior Frontend Engineer
Useful and Effective
It made my interview preparation easy. With real questions from top companies and different levels, it's the perfect practice tool for any engineer.
Type
Programming
UI Based
Quiz
Languages
JavaScript
HTML/CSS/JavaScript
React
More
Try a random question
Confused about where to start? Try a randomly selected question from our vast collection of interview questions.
All Questions
Resources
Collections
Video Tutorials
Submissions
Login
Filters
How to implement a prize calculator? JavaScript Interview Question
All Levels
JavaScript
1787
Solve
How to build color memory game in React.js? Frontend Coding Challenge
All Levels
React
HTML/CSS/JavaScript
2480
Solve
How to build an Avatar Picker? Frontend UI Coding Challenge
All Levels
React
2556
Solve
How to implement feature flag functionality? Atlassian Frontend Interview Question
All Levels
JavaScript
4181
Solve
How to build Circles Game in React.js? Frontend Coding Challenge
All Levels
React
3785
Solve
Implement a Credit Card Masker | Klarna Frontend Interview Question | JavaScript
All Levels
JavaScript
4109
Solve
Write a function to return the count of numbers in an Array | MakeMyTrip Frontend Interview Question
All Levels
JavaScript
3505
Solve
How to implement a function to convert a string input into an object? | Razorpay Interview Question | JavaScript
All Levels
JavaScript
4437
Solve
Build Country Capital Game | Microsoft Frontend Interview Question | JavaScript | React.js
All Levels
React
HTML/CSS/JavaScript
7935
Solve
Debug and Fix the Feedback Modal Component in React.js | Frontend Coding Challenge | Debugging Round | JavaScript
All Levels
React
4168
Solve
Build A Simple Cryptocurrency Portfolio Manager App | Frontend Coding Challenge | JavaScript Interview Question | React.js | HTML
All Levels
React
HTML/CSS/JavaScript
2847
Solve
What is the output of the following code? - Promise Scheduling | Event Loop | JavaScript Quiz
All Levels
JavaScript
8520
402
214
Solve
Build User Avatar Screen | Frontend Coding Challenge | JavaScript Interview Question | Machine Coding Round
All Levels
React
HTML/CSS/JavaScript
5872
Solve
How to build a UI Card with Tabs? | Frontend Coding Challenge | JavaScript Interview Question | React
All Levels
React
HTML/CSS/JavaScript
5476
Solve
Create a Dictionary of Dates | Frontend Interview Questions | Problem Solving Practice
All Levels
JavaScript
4908
Solve
What does this function print? JavaScript Quiz | Interview Question
All Levels
JavaScript
6270
336
414
Solve
Can you shuffle an array? | JavaScript Interview Question
All Levels
JavaScript
2254
Solve
Implement Throttling in JavaScript | Walmart Frontend Interview Question
All Levels
JavaScript
3375
Solve
Implement Debounce Function | Flipkart UI - JavaScript Interview Questions
All Levels
JavaScript
5741
Solve
Build A Mini Clone Of Google Calendar | Frontend Coding Challenge | JavaScript Interview Questions | DevKode DOM Challenge
All Levels
HTML/CSS/JavaScript
React
8569
Solve
What would be the output? [JavaScript Inheritance]
All Levels
JavaScript
4974
166
255
Solve
How to build a custom timer hook in React.js? | useTimer | JavaScript Interview Question
All Levels
React
12441
Solve
What would the output of the following code snippet? [Promises in JavaScript]
All Levels
JavaScript
9624
432
1166
Solve
What would be the output of the following code? [Scoping in JavaScript]
All Levels
JavaScript
4846
311
302
Solve
What would be the output? [Object Destructuring]
All Levels
JavaScript
3672
210
299
Solve
How to create a flat version of a deeply nested array? [Programming Interview Question]
All Levels
JavaScript
11496
Solve
What would be the output of the following code snippet? [ES6 Classes]
All Levels
JavaScript
3726
122
242
Solve
How do you implement the following code snippet? [Property Access Increment]
All Levels
JavaScript
2098
Solve
What would be the output? (Different ways of Prototype calls)
All Levels
JavaScript
3068
91
230
Solve
Explain how "this" works in JavaScript?
All Levels
JavaScript
3105
Solve
Back
Next
Study Guides
See all
Top Frontend Interview Questions from Major Product Companies
Asynchronous Programming Based Frontend Interview Questions
Lodash Based Frontend Interview Questions
Frontend Interview Experiences
Top DOM Based Interview Questions | JavaScript Problem Solving
Video Tutorials
See all
Frontend Debugging Techniques That Every Engineer Must Know | Understanding Git Bisect | Part 2
Frontend Debugging Techniques That Every Engineer Must Know | Part 1
JavaScript Promises Fundamentals Every Engineer Should Know | Part 1
JavaScript Promises Fundamentals Every Engineer Should Know | Part 2
What Every React Developer Should Know!? | Part 1 | Stale Closures
Contribution Opportunities
Share the best interview questions you've seen in past interviews with us!
Submit Questions
Premium Tutorials
Intermediate to Advanced programming content for your interview preparation and career growth.
Subscribe Now
Grow with like-minded people,
Join the devtools.tech community
Stay in the know
Subscribe to our newsletter to stay up to date with all the latest content. No spam ever!
Subscribe
Telegram
YouTube
Twitter
Unsure about your interview prep? Practice Mock Interviews with us!
Book Your Slot Now