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How to create a flat version of a deeply nested array? [Programming Interview Question]
All Levels
JavaScript
16,007
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How to build a custom timer hook in React.js? | useTimer | JavaScript Interview Question
All Levels
React
16,012
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Build A Mini Clone Of Google Calendar | Frontend Coding Challenge | JavaScript Interview Questions | DevKode DOM Challenge
All Levels
HTML/CSS/JavaScript
React
11,455
Solve
Implement Debounce Function | Flipkart UI - JavaScript Interview Questions
All Levels
JavaScript
8,285
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Implement Accordion Component in React.js | JavaScript Interview Question
Intermediate
React
9,919
Solve
How to implement Event Emitter in JavaScript? | Facebook Interview Question
Intermediate
JavaScript
11,440
Solve
How to implement DOM like structure tree!? | Frontend Interview Question | Advanced JavaScript
Advanced
JavaScript
7,303
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How to create OTP Input Component? | Frontend Coding Challege | JavaScript | HTML | CSS | React.js
Intermediate
HTML/CSS/JavaScript
React
7,631
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How to build a File Explorer? Atlassian Frontend Machine Coding Round Question | JavaScript Interview Question | React.js
Intermediate
React
HTML/CSS/JavaScript
16,630
Solve
Build Country Capital Game | Microsoft Frontend Interview Question | JavaScript | React.js
All Levels
React
HTML/CSS/JavaScript
10,479
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Function Call Counter
All Levels
JavaScript
231
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Straws on the Board
Advanced
HTML/CSS/JavaScript
React
1,124
Solve
Chess Path Finder Visualiser
Intermediate
React
HTML/CSS/JavaScript
1,339
Solve
Count Total Comments
Beginner
JavaScript
1,725
Solve
String Compression and Decompression
All Levels
JavaScript
2,585
Solve
Dynamic Table Generator
Beginner
React
2,270
Solve
What would be the return value (if any)?
Beginner
JavaScript
1,418
Solve
Implement Event-Driven Key-Value Store
Intermediate
JavaScript
1,332
Solve
Implement Promisify Polyfill
Intermediate
JavaScript
1,083
Solve
Build a Multi Step Form
Intermediate
React
HTML/CSS/JavaScript
1,413
Solve
How to create a Drag and Drop List Component?
Intermediate
React
HTML/CSS/JavaScript
2,274
Solve
How to create analytics SDK in JavaScript?
Intermediate
JavaScript
4,918
Solve
How to group array of objects by key?
Beginner
JavaScript
5,901
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How to implement custom Array.prototype.square method?
Beginner
JavaScript
4,028
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Build a Virtual DOM to actual HTML DOM Convertor | DOM Renderer
Intermediate
JavaScript
5,158
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How to detect overlapping circles in React.js? Uber Frontend Interview Question
Advanced
React
6,142
Solve
How to implement a chainable Add function to calculate the sum of numbers?
Beginner
JavaScript
5,902
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How to implement Array.isArray? JavaScript Interview Question | Array Polyfills
Beginner
JavaScript
5,939
Solve
How to implement Array.prototype.filter? JavaScript Interview Question | Array Polyfills
Beginner
JavaScript
4,250
Solve
How to implement an Asynchronous Task Runner with Concurrency Control? Rippling Frontend Interview Question
Intermediate
JavaScript
5,121
Solve
How to build a Transfer List UI component?
All Levels
React
HTML/CSS/JavaScript
142
Solve
How to implement auto-retry Promise on Rejection? | Frontend Problem Sovling
Intermediate
JavaScript
4,236
Solve
How to implement a prize calculator? JavaScript Interview Question
All Levels
JavaScript
3,528
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Implement Count By | JavaScript Problem Solving
Intermediate
JavaScript
2,498
Solve
How to build color memory game in React.js? Frontend Coding Challenge
All Levels
React
HTML/CSS/JavaScript
6,307
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How to build an Avatar Picker? Frontend UI Coding Challenge
All Levels
React
4,500
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How to implement feature flag functionality? Atlassian Frontend Interview Question
All Levels
JavaScript
8,043
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How to build Circles Game in React.js? Frontend Coding Challenge
All Levels
React
5,540
Solve
How to build an Interactive JIRA Velocity Bar Chart? Atlassian Browser Coding Round Interview Question
Beginner
React
HTML/CSS/JavaScript
10,597
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How to create an interactive shape based UI? Uber Frontend Interview Question | JavaScript | React.js
Beginner
React
HTML/CSS/JavaScript
15,712
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