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]

23,587

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

20,832

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

15,023

Implement Debounce Function | Flipkart UI - JavaScript Interview Questions

12,508

Implement Accordion Component in React.js | JavaScript Interview Question

12,621

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

15,080

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

9,638

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

9,449

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

21,528

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

14,292

How to implement custom Array.prototype.some method?

52

How to implement custom Array.prototype.forEach method?

203

Issue Tracker UI

246

Build a Cricket Score Board

515

Build a Typing Speed Test Component

463

Interactive Color Picker with Throttle

303

Promise Scheduler

941

Progress Bar with Controls

844

Flipping Card Component

719

ComposeAsync

790

Phone Home Screen

1,017

Domain Operation Simulator

1,214

Implement listenTo function

1,221

Company Structure Validator

1,477

Compare Semantic Versions

1,141

Build Boggle Dictionary

1,532

Shopping Cart Checkout

1,393

Implement a Timeout-Based API Wrapper with Optional Retry

2,462

Measure Function Execution Time

1,720

useObjectState

1,501

Cinema Hall Layout Structure

3,419

Breadcrumb Chain Problem

3,069

Build an API Client

2,941

Function Call Counter

2,570

Straws on the Board

3,692

Chess Path Finder Visualiser

2,845

Count Total Comments

3,744

String Compression and Decompression

3,908

Dynamic Table Generator

4,154

What would be the return value (if any)?

3,916