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Ultimate Guide to Crack Frontend System Design Interviews

Breadcrumb Chain Problem

Beginner
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JavaScript
63

Build an API Client

Intermediate
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JavaScript
198

Function Call Counter

All Levels
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JavaScript
573

Straws on the Board

Advanced
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HTML/CSS/JavaScript
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React
1,668

Chess Path Finder Visualiser

Intermediate
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React
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HTML/CSS/JavaScript
1,519

Count Total Comments

Beginner
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JavaScript
1,886

String Compression and Decompression

All Levels
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2,673

Dynamic Table Generator

Beginner
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2,427

Implement Event-Driven Key-Value Store

Intermediate
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JavaScript
1,411

Implement Promisify Polyfill

Intermediate
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JavaScript
1,164

Build a Multi Step Form

Intermediate
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React
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HTML/CSS/JavaScript
1,503

How to create a Drag and Drop List Component?

Intermediate
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React
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HTML/CSS/JavaScript
2,373

How to create analytics SDK in JavaScript?

Intermediate
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JavaScript
5,014

Build a Two-Player Line Board Game

Intermediate
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React
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HTML/CSS/JavaScript
142

How to group array of objects by key?

Beginner
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JavaScript
5,973

How to implement custom Array.prototype.square method?

Beginner
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JavaScript
4,102

Build a Virtual DOM to actual HTML DOM Convertor | DOM Renderer

Intermediate
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JavaScript
5,211

How to detect overlapping circles in React.js? Uber Frontend Interview Question

Advanced
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React
6,264

How to implement a chainable Add function to calculate the sum of numbers?

Beginner
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JavaScript
5,961

How to implement Array.isArray? JavaScript Interview Question | Array Polyfills

Beginner
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JavaScript
5,985

How to implement Array.prototype.filter? JavaScript Interview Question | Array Polyfills

Beginner
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JavaScript
4,295

How to implement an Asynchronous Task Runner with Concurrency Control? Rippling Frontend Interview Question

Intermediate
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JavaScript
5,191

How to build a Transfer List UI component?

All Levels
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React
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HTML/CSS/JavaScript
194

How to implement auto-retry Promise on Rejection? | Frontend Problem Sovling

Intermediate
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JavaScript
4,314

How to implement a prize calculator? JavaScript Interview Question

All Levels
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JavaScript
3,579

Implement Count By | JavaScript Problem Solving

Intermediate
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JavaScript
2,524

How to build color memory game in React.js? Frontend Coding Challenge

All Levels
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React
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HTML/CSS/JavaScript
6,360

How to build an Avatar Picker? Frontend UI Coding Challenge

All Levels
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React
4,527

How to implement feature flag functionality? Atlassian Frontend Interview Question

All Levels
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JavaScript
8,161

How to build Circles Game in React.js? Frontend Coding Challenge

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React
5,587
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Top JavaScript Array Interview Questions | Problem Solving | Array Polyfills
Frontend Coding Challenges | JavaScript | ReactJS | DevKode DOM Challenge
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Frontend Debugging Techniques That Every Engineer Must Know | Understanding Git Bisect | Part 2
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What Every React Developer Should Know!? | Part 1 | Stale Closures

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