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JavaScript

Once relegated to the browser as one of the 3 core technologies of the web, JavaScript can now be found almost anywhere you find code. JavaScript developers move fast and push software development forward; they can be as opinionated as the frameworks they use, so let's keep it clean here and make it a place to learn from each other!

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LEI Validation in JavaScript — GLEIF Lookup Without Rate Limits

LEI Validation in JavaScript — GLEIF Lookup Without Rate Limits

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5 min read
How I Implemented the SM-2 Spaced Repetition Algorithm in My Flashcard App

How I Implemented the SM-2 Spaced Repetition Algorithm in My Flashcard App

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4 min read
How I “Vibe-Coded” a Self-Healing Vector Engine for MongoDB in One Weekend

How I “Vibe-Coded” a Self-Healing Vector Engine for MongoDB in One Weekend

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3 min read
The Tech Behind Modern Offline Web Apps

The Tech Behind Modern Offline Web Apps

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1 min read
🗄️ MongoDB/Mongoose Cheat Sheet

🗄️ MongoDB/Mongoose Cheat Sheet

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3 min read
I Built an App That Lets You Hear the Crypto Market in Real-Time

I Built an App That Lets You Hear the Crypto Market in Real-Time

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2 min read
Control Flow in JavaScript: If, Else, and Switch

Control Flow in JavaScript: If, Else, and Switch

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3 min read
Building an offline subtitle extractor with whisper.cpp and Electron

Building an offline subtitle extractor with whisper.cpp and Electron

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2 min read
Free Public IP API — No Key, No Signup, No Rate Limits (ipify Alternative)

Free Public IP API — No Key, No Signup, No Rate Limits (ipify Alternative)

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3 min read
Traffic Light - vanilla HTML, CSS, & JavaScript

Traffic Light - vanilla HTML, CSS, & JavaScript

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3 min read
Evolving User Profiles: Adding Languages and Technology Classification

Evolving User Profiles: Adding Languages and Technology Classification

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2 min read
Reactive Data Without the Async Headaches

Reactive Data Without the Async Headaches

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5 min read
How I Built a Pay-Per-Use Screenshot API for AI Agents (x402 + Base USDC)

How I Built a Pay-Per-Use Screenshot API for AI Agents (x402 + Base USDC)

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3 min read
Mastering TypeScript 5.x: Advanced Patterns for Full-Stack Developers

Mastering TypeScript 5.x: Advanced Patterns for Full-Stack Developers

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2 min read
Building QuickFileLab: A Free Platform for File Compression and Conversion Tools

Building QuickFileLab: A Free Platform for File Compression and Conversion Tools

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2 min read
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