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javascript-algorithms

Name: javascript-algorithms
Author: trekhleb

📝 Algorithms and data structures implemented in JavaScript with explanations and links to further readings

196,652 stars31,009 forksJavaScriptUpdated 7/26/2026100% free · open source

What it does

javascript-algorithms provides a collection of JavaScript implementations of various algorithms and data structures, along with explanations and links to further learning resources

When to use it

•When you need to implement a specific algorithm or data structure in a JavaScript project
•When you want to learn about different algorithms and data structures and how they can be applied in JavaScript
•When you need a reference implementation of an algorithm or data structure for testing or comparison purposes

Ready-to-paste prompt

node src/algorithms/sorting/quick-sort.js --array=[3,6,1,8,2,4] --verbose

Heads up: Make sure you have Node.js installed on your system, as the algorithms are implemented in JavaScript and require a JavaScript runtime environment to run

Saves to your device

Use with Claude

New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

🛠️ Technical setup

Expect 20–40 minutes in a terminal — or let your AI agent drive it.

Try it instantly — no install

Claude Code

mkdir -p ~/.claude/skills/javascript-algorithms && curl -fsSL https://workflowstacks.com/api/skills/javascript-algorithms/claude-skill -o ~/.claude/skills/javascript-algorithms/SKILL.md

Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)

claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

How javascript-algorithms works

Codeflow

Free to inspect

Javascript-algorithms is a large JavaScript project (~19k lines across 361 code files). It is a full software project: use it through its install path rather than reading it end to end. Last commit a month ago, MIT license, has a test suite.

Size

Large codebase

~19k lines · 361 code files · ~3 h to skim

Setup

Developer setup

A real software project. Use it via its install path; don't expect to read it all.

Runs on

Node.js

No API keys detected

JavaScript 100%

Where to start reading

1
README.md
Start here — what it does and how to install it
2
package.json
Dependencies and the commands it exposes
3
src/playground/README.md
Inside src/ — the main logic begins here

What's in each folder

src/Core code — the actual logic644 files

.github/CI / automation (GitHub Actions)1 files

.husky/Folder1 files

assets/Images & static assets1 files

READMEHas testsDocumentedCI checksMIT licenseUpdated this month

Use with Claude

New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

🛠️ Technical setup

Expect 20–40 minutes in a terminal — or let your AI agent drive it.

Try it instantly — no install

Claude Code

mkdir -p ~/.claude/skills/javascript-algorithms && curl -fsSL https://workflowstacks.com/api/skills/javascript-algorithms/claude-skill -o ~/.claude/skills/javascript-algorithms/SKILL.md

Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)

claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

Quick Actions

Details

Creator

trekhleb

Language

JavaScript