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Ultimate Guide to Crack Frontend System Design Interviews
How to create a flat version of a deeply nested array? [Programming Interview Question]
All Levels
23,654
Solve
How to build a custom timer hook in React.js? | useTimer | JavaScript Interview Question
All Levels
20,874
Solve
Build A Mini Clone Of Google Calendar | Frontend Coding Challenge | JavaScript Interview Questions | DevKode DOM Challenge
All Levels
15,054
Solve
Implement Debounce Function | Flipkart UI - JavaScript Interview Questions
All Levels
12,555
Solve
Implement Accordion Component in React.js | JavaScript Interview Question
Intermediate
12,650
Solve
How to implement Event Emitter in JavaScript? | Facebook Interview Question
Intermediate
15,113
Solve
How to implement DOM like structure tree!? | Frontend Interview Question | Advanced JavaScript
Advanced
9,662
Solve
How to create OTP Input Component? | Frontend Coding Challege | JavaScript | HTML | CSS | React.js
Intermediate
9,469
Solve
How to build a File Explorer? Atlassian Frontend Machine Coding Round Question | JavaScript Interview Question | React.js
Intermediate
21,566
Solve
Build Country Capital Game | Microsoft Frontend Interview Question | JavaScript | React.js
All Levels
14,323
Solve
How to implement custom Array.prototype.some method?
Beginner
76
Solve
How to implement custom Array.prototype.forEach method?
Beginner
226
Solve
Issue Tracker UI
Beginner
292
Solve
Build a Cricket Score Board
Intermediate
527
Solve
Build a Typing Speed Test Component
Intermediate
477
Solve
Interactive Color Picker with Throttle
Intermediate
313
Solve
Promise Scheduler
Advanced
955
Solve
Progress Bar with Controls
Beginner
852
Solve
Flipping Card Component
Beginner
727
Solve
ComposeAsync
Intermediate
799
Solve
Phone Home Screen
Intermediate
1,027
Solve
Domain Operation Simulator
Beginner
1,227
Solve
Implement listenTo function
Beginner
1,226
Solve
Company Structure Validator
Intermediate
1,486
Solve
Compare Semantic Versions
Beginner
1,153
Solve
Build Boggle Dictionary
Advanced
1,542
Solve
Shopping Cart Checkout
Beginner
1,403
Solve
Implement a Timeout-Based API Wrapper with Optional Retry
Intermediate
2,479
Solve
Measure Function Execution Time
Intermediate
1,738
Solve
useObjectState
Intermediate
1,507
Solve
Cinema Hall Layout Structure
Intermediate
3,429
Solve
Breadcrumb Chain Problem
Beginner
3,081
Solve
Build an API Client
Intermediate
2,948
Solve
Function Call Counter
All Levels
2,582
Solve
Straws on the Board
Advanced
3,701
Solve
Chess Path Finder Visualiser
Intermediate
2,852
Solve
Count Total Comments
Beginner
3,754
Solve
String Compression and Decompression
All Levels
3,917
Solve
Dynamic Table Generator
Beginner
4,161
Solve
What would be the return value (if any)?
Beginner
3,929
Solve
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