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

All Levels
javascript logo
typescript logo
27,437

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

All Levels
react logo
23,077

Build A Mini Clone Of Google Calendar View

All Levels
html logo
react logo
16,954

Implement Debounce Function | Flipkart UI - JavaScript Interview Questions

All Levels
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14,182

Implement Accordion Component in React.js | JavaScript Interview Question

Medium
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13,607

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

Medium
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16,226

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

Hard
javascript logo
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10,533

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

Medium
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react logo
10,263

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

Medium
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23,878

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

All Levels
react logo
html logo
15,830

Interactive Voting Poll Component

Easy
react logo
html logo
24

Chainable Driver Class

Medium
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typescript logo
59

Cursor Tracker

Medium
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62

Dynamic Grid Challenge

Medium
react logo
html logo
61

Identical DOM Trees

Medium
javascript logo
typescript logo
94

Transaction Confirmation

Medium
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64

Reusable Dropdown Component with Search

Easy
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208

Infinite Scroll Pagination

Easy
react logo
html logo
650

How to implement custom Array.prototype.some method?

Easy
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481

How to implement custom Array.prototype.forEach method?

Easy
javascript logo
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442

Issue Tracker UI

Easy
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669

Build a Cricket Score Board

Medium
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html logo
751

Build a Typing Speed Test Component

Medium
react logo
html logo
652

Interactive Color Picker with Throttle

Medium
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412

Promise Scheduler

Hard
javascript logo
typescript logo
1,147

Progress Bar with Controls

Easy
react logo
html logo
1,037

Flipping Card Component

Easy
react logo
html logo
856

ComposeAsync

Medium
javascript logo
typescript logo
952

Phone Home Screen

Medium
react logo
1,177

Domain Operation Simulator

Easy
javascript logo
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1,658

Implement listenTo function

Easy
javascript logo
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1,320

Company Structure Validator

Medium
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1,617

Compare Semantic Versions

Easy
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1,256

Build Boggle Dictionary

Hard
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1,688

Shopping Cart Checkout

Easy
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1,506

Implement a Timeout-Based API Wrapper with Optional Retry

Medium
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2,708

Measure Function Execution Time

Medium
javascript logo
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1,853

useObjectState

Medium
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2,578

Cinema Hall Layout Structure

Medium
react logo
html logo
3,578

Breadcrumb Chain Problem

Easy
javascript logo
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3,239
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