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]

23,500

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

20,763

Build A Mini Clone Of Google Calendar | Frontend Coding Challenge | JavaScript Interview Questions | DevKode DOM Challenge

14,989

Implement Debounce Function | Flipkart UI - JavaScript Interview Questions

12,446

Implement Accordion Component in React.js | JavaScript Interview Question

12,586

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

15,020

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

9,603

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

9,412

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

21,489

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

14,250

How to implement custom Array.prototype.some method?

28

How to implement custom Array.prototype.forEach method?

153

Issue Tracker UI

212

Build a Cricket Score Board

493

Build a Typing Speed Test Component

433

Interactive Color Picker with Throttle

297

Promise Scheduler

925

Progress Bar with Controls

839

Flipping Card Component

709

ComposeAsync

784

Phone Home Screen

1,012

Domain Operation Simulator

1,205

Implement listenTo function

1,211

Company Structure Validator

1,467

Compare Semantic Versions

1,135

Build Boggle Dictionary

1,523

Shopping Cart Checkout

1,386

Implement a Timeout-Based API Wrapper with Optional Retry

2,453

Measure Function Execution Time

1,716

useObjectState

1,493

Cinema Hall Layout Structure

3,411

Breadcrumb Chain Problem

3,062

Build an API Client

2,935

Function Call Counter

2,558

Straws on the Board

3,688

Chess Path Finder Visualiser

2,839

Count Total Comments

3,734

String Compression and Decompression

3,896

Dynamic Table Generator

4,149

What would be the return value (if any)?

3,895