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How to create a flat version of a deeply nested array? [Programming Interview Question]
All Levels
21,581
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How to build a custom timer hook in React.js? | useTimer | JavaScript Interview Question
All Levels
19,279
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Build A Mini Clone Of Google Calendar | Frontend Coding Challenge | JavaScript Interview Questions | DevKode DOM Challenge
All Levels
13,961
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Implement Debounce Function | Flipkart UI - JavaScript Interview Questions
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11,309
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Implement Accordion Component in React.js | JavaScript Interview Question
Intermediate
11,740
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How to implement Event Emitter in JavaScript? | Facebook Interview Question
Intermediate
13,924
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How to implement DOM like structure tree!? | Frontend Interview Question | Advanced JavaScript
Advanced
8,791
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How to create OTP Input Component? | Frontend Coding Challege | JavaScript | HTML | CSS | React.js
Intermediate
8,776
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How to build a File Explorer? Atlassian Frontend Machine Coding Round Question | JavaScript Interview Question | React.js
Intermediate
20,363
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Build Country Capital Game | Microsoft Frontend Interview Question | JavaScript | React.js
All Levels
13,260
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Flipping Card Component
Beginner
157
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ComposeAsync
Intermediate
217
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Phone Home Screen
Intermediate
620
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Domain Operation Simulator
Beginner
754
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Implement listenTo function
Beginner
814
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Company Structure Validator
Intermediate
1,068
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Compare Semantic Versions
Beginner
748
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Build Boggle Dictionary
Advanced
1,104
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Shopping Cart Checkout
Beginner
1,203
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Implement a Timeout-Based API Wrapper with Optional Retry
Intermediate
2,090
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Measure Function Execution Time
Intermediate
1,347
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useObjectState
Intermediate
1,179
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Cinema Hall Layout Structure
Intermediate
3,017
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Breadcrumb Chain Problem
Beginner
2,712
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Build an API Client
Intermediate
2,535
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Function Call Counter
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2,116
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Straws on the Board
Advanced
3,323
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Chess Path Finder Visualiser
Intermediate
2,521
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Count Total Comments
Beginner
3,201
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String Compression and Decompression
All Levels
3,542
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Dynamic Table Generator
Beginner
3,805
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Implement Event-Driven Key-Value Store
Intermediate
2,199
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Implement Promisify Polyfill
Intermediate
2,317
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Build a Multi Step Form
Intermediate
2,917
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How to create a Drag and Drop List Component?
Intermediate
3,371
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How to create analytics SDK in JavaScript?
Intermediate
6,199
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Build a Two-Player Line Board Game
Intermediate
1,437
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How to group array of objects by key?
Beginner
6,827
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How to implement custom Array.prototype.square method?
Beginner
5,067
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Build a Virtual DOM to actual HTML DOM Convertor | DOM Renderer
Intermediate
6,130
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Top JavaScript Array Interview Questions | Problem Solving | Array Polyfills
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What Every React Developer Should Know!? | Part 1 | Stale Closures
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