devtools.tech | The only way to prepare for frontend interviews

Explore premium tutorials by devtools.tech

How to create a flat version of a deeply nested array? [Programming Interview Question]

25,743

How to build a custom timer hook in React.js? | useTimer | JavaScript Interview Question

22,073

Build A Mini Clone Of Google Calendar View

16,173

Implement Debounce Function | Flipkart UI - JavaScript Interview Questions

13,366

Implement Accordion Component in React.js | JavaScript Interview Question

13,175

How to implement Event Emitter in JavaScript? | Facebook Interview Question

15,700

How to implement DOM like structure tree!? | Frontend Interview Question | Advanced JavaScript

10,158

How to create OTP Input Component? | Frontend Coding Challege | JavaScript | HTML | CSS | React.js

9,862

How to build a File Explorer? Atlassian Frontend Machine Coding Round Question | JavaScript Interview Question | React.js

22,382

Build Country Capital Game | Microsoft Frontend Interview Question | JavaScript | React.js

15,138

Reusable Dropdown Component with Search

80

Infinite Scroll Pagination

564

Issue Tracker UI

621

Build a Cricket Score Board

727

Build a Typing Speed Test Component

636

Progress Bar with Controls

992

Flipping Card Component

843

Phone Home Screen

1,168

Build Boggle Dictionary

1,655

Shopping Cart Checkout

1,502

useObjectState

2,574

Cinema Hall Layout Structure

3,550

Straws on the Board

3,804

Chess Path Finder Visualiser

2,918

Dynamic Table Generator

4,295

Build a Multi Step Form

3,485

How to create a Drag and Drop List Component?

3,865

Build a Two-Player Line Board Game

2,189

How to detect overlapping circles in React.js? Uber Frontend Interview Question

8,248

How to build a Transfer List UI component?

1,602

How to build color memory game in React.js? Frontend Coding Challenge

7,568

How to build an Avatar Picker? Frontend UI Coding Challenge

5,535

How to build Circles Game in React.js? Frontend Coding Challenge

6,714

How to build an Interactive JIRA Velocity Bar Chart? Atlassian Browser Coding Round Interview Question

13,281

How to create an grid lights interactive shape? Uber Frontend Interview Question | JavaScript | React.js

20,622

How to build a Confluence-like Sidebar with Tree Structure? | Atlassian Frontend Interview Question | React.js

15,568

How to create a loading animation? | Frontend Coding Challenge | React.js | JavaScript

6,352

How to build a Pagination component in React.js? | Razorpay Interview Question | JavaScript

7,198

How to build a moving dot animation? | Frontend Coding Challenge

5,602

Progress Status

Study Guides

Promises, async-await

Web Performance 101

Bitgo Frontend Interview Questions

Mindtickle Frontend Interview Questions

Adobe Frontend Interview Questions

Video Tutorials

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