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Top 10 JavaScript interview-preparation Projects
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javascript-algorithms
📝 Algorithms and data structures implemented in JavaScript with explanations and links to further readings
6️⃣ JavaScript Algorithms and Data Structures 🧠 📌 https://github.com/trekhleb/javascript-algorithms A collection of JavaScript-based algorithms and data structures with explanations.
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SurveyJS
JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor. Add the SurveyJS white-label form builder to your JavaScript app (React/Angular/Vue3). Build complex JSON forms without coding. Fully customizable, works with any backend, perfect for data-heavy apps. Learn more.
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reactjs-interview-questions
List of top 500 ReactJS Interview Questions & Answers....Coding exercise questions are coming soon!!
Reactjs interview questions
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google-interview-preparation-problems
leetcode problems I solved to prepare for my Google interview.
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leetcode-the-hard-way
LeetCode The Hard Way - From Absolute Beginner to Quitter. Join Discord: https://discord.com/invite/Nqm4jJcyBf
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one4All
This repository consists of tech resources and opportunities which could be useful for students interested in computer science. It also hosts non-tech sources which could be useful for anyone.🔥💻👨🎓
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tech-int-cheat
A chrome extension that pairs with ChatGTP to cheat on technical interviews (or just generate responses on virtual meetings)
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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dev-kitty
Dev Kitty is a full-stack web app that helps developers practice and improve their skills through technical and behavioral interview questions.
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LeetBuddies
"LeetBuddies" is a Chrome extension designed to help users keep track of their friends' progress on LeetCode. The extension serves as a leaderboard that displays information about your friends' problem-solving achievements on LeetCode.
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
JavaScript interview-preparation discussion
JavaScript interview-preparation related posts
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LeetBuddies: Follow friends on Leetcode
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Been working on an extension to help cheat on technical interviews with ChatGPT. Github in comments.
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Created a ChatGPT extension to "advise" 😜 you on technical interviews. Simply click on the chat and it will generate an answer. (GitHub in description)
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Looking for Sponsors for my recent Chrome Extension - Big Omega Extension
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Created a browser extension with ChatGTP that can help you cheat on technical interviews. Github in comments
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Switching jobs
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Trying to improve coding skills but sometimes feels impossible
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A note from our sponsor - SurveyJS
surveyjs.io | 20 May 2025
Index
What are some of the best open-source interview-preparation projects in JavaScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | javascript-algorithms | 191,240 |
| 2 | reactjs-interview-questions | 42,009 |
| 3 | google-interview-preparation-problems | 3,144 |
| 4 | cs-fundamentals | 1,134 |
| 5 | leetcode-the-hard-way | 912 |
| 6 | one4All | 190 |
| 7 | tech-int-cheat | 130 |
| 8 | dev-kitty | 11 |
| 9 | HashTo | 7 |
| 10 | LeetBuddies | 5 |
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JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor
Add the SurveyJS white-label form builder to your JavaScript app (React/Angular/Vue3). Build complex JSON forms without coding. Fully customizable, works with any backend, perfect for data-heavy apps. Learn more.
surveyjs.io