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]

23,718

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

20,932

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

15,083

Implement Debounce Function | Flipkart UI - JavaScript Interview Questions

12,595

Implement Accordion Component in React.js | JavaScript Interview Question

12,679

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

15,151

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

9,684

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

9,486

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

21,606

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

14,371

How to implement custom Array.prototype.some method?

93

How to implement custom Array.prototype.forEach method?

239

Issue Tracker UI

310

Build a Cricket Score Board

538

Build a Typing Speed Test Component

486

Interactive Color Picker with Throttle

318

Promise Scheduler

962

Progress Bar with Controls

860

Flipping Card Component

734

ComposeAsync

806

Phone Home Screen

1,033

Domain Operation Simulator

1,237

Implement listenTo function

1,235

Company Structure Validator

1,494

Compare Semantic Versions

1,160

Build Boggle Dictionary

1,554

Shopping Cart Checkout

1,412

Implement a Timeout-Based API Wrapper with Optional Retry

2,504

Measure Function Execution Time

1,745

useObjectState

1,512

Cinema Hall Layout Structure

3,439

Breadcrumb Chain Problem

3,088

Build an API Client

2,957

Function Call Counter

2,587

Straws on the Board

3,708

Chess Path Finder Visualiser

2,863

Count Total Comments

3,769

String Compression and Decompression

3,926

Dynamic Table Generator

4,167

What would be the return value (if any)?

3,946