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How to create a flat version of a deeply nested array? [Programming Interview Question]
All Levels
21,818
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How to build a custom timer hook in React.js? | useTimer | JavaScript Interview Question
All Levels
19,437
Solve
Build A Mini Clone Of Google Calendar | Frontend Coding Challenge | JavaScript Interview Questions | DevKode DOM Challenge
All Levels
14,079
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Implement Debounce Function | Flipkart UI - JavaScript Interview Questions
All Levels
11,401
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Implement Accordion Component in React.js | JavaScript Interview Question
Intermediate
11,829
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How to implement Event Emitter in JavaScript? | Facebook Interview Question
Intermediate
14,009
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How to implement DOM like structure tree!? | Frontend Interview Question | Advanced JavaScript
Advanced
8,860
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How to create OTP Input Component? | Frontend Coding Challege | JavaScript | HTML | CSS | React.js
Intermediate
8,821
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How to build a File Explorer? Atlassian Frontend Machine Coding Round Question | JavaScript Interview Question | React.js
Intermediate
20,488
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Build Country Capital Game | Microsoft Frontend Interview Question | JavaScript | React.js
All Levels
13,339
Solve
Promise Scheduler
Advanced
47
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Progress Bar with Controls
Beginner
74
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Flipping Card Component
Beginner
255
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ComposeAsync
Intermediate
313
Solve
Phone Home Screen
Intermediate
657
Solve
Domain Operation Simulator
Beginner
802
Solve
Implement listenTo function
Beginner
853
Solve
Company Structure Validator
Intermediate
1,111
Solve
Compare Semantic Versions
Beginner
781
Solve
Build Boggle Dictionary
Advanced
1,148
Solve
Shopping Cart Checkout
Beginner
1,238
Solve
Implement a Timeout-Based API Wrapper with Optional Retry
Intermediate
2,131
Solve
Measure Function Execution Time
Intermediate
1,387
Solve
useObjectState
Intermediate
1,211
Solve
Cinema Hall Layout Structure
Intermediate
3,049
Solve
Breadcrumb Chain Problem
Beginner
2,746
Solve
Build an API Client
Intermediate
2,578
Solve
Function Call Counter
All Levels
2,168
Solve
Straws on the Board
Advanced
3,354
Solve
Chess Path Finder Visualiser
Intermediate
2,549
Solve
Count Total Comments
Beginner
3,238
Solve
String Compression and Decompression
All Levels
3,571
Solve
Dynamic Table Generator
Beginner
3,833
Solve
What would be the return value (if any)?
Beginner
3,088
Solve
Implement Event-Driven Key-Value Store
Intermediate
2,231
Solve
Implement Promisify Polyfill
Intermediate
2,350
Solve
Build a Multi Step Form
Intermediate
2,952
Solve
How to create a Drag and Drop List Component?
Intermediate
3,408
Solve
How to create analytics SDK in JavaScript?
Intermediate
6,244
Solve
Build a Two-Player Line Board Game
Intermediate
1,472
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