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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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The Go Concurrency Awakens: Goroutines, Channels, and the Secret Power of Select

The Go Concurrency Awakens: Goroutines, Channels, and the Secret Power of Select

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5 min read
Why Your React App Shouldn't Just Show a Blank Screen When the API Fails

Why Your React App Shouldn't Just Show a Blank Screen When the API Fails

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2 min read
🚀 𝗡𝗲𝘄 𝗥𝗲𝗮𝗰𝘁 𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲: Virtualized List

🚀 𝗡𝗲𝘄 𝗥𝗲𝗮𝗰𝘁 𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲: Virtualized List

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2 min read
What I learned building 175+ browser-only tools with Next.js (and why Google ignored most of them)

What I learned building 175+ browser-only tools with Next.js (and why Google ignored most of them)

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2 min read
Cómo se calcula la letra del DNI y del NIE (módulo 23, con código)

Cómo se calcula la letra del DNI y del NIE (módulo 23, con código)

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4 min read
I built 59 free browser-based dev tools in vanilla JS — here's what I learned

I built 59 free browser-based dev tools in vanilla JS — here's what I learned

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2 min read
Direct PDF URL vs Viewer URL: What's the Difference?

Direct PDF URL vs Viewer URL: What's the Difference?

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8 min read
Khmer Hybrid Calendar v1.1.0 Released — Complete Holidays, UNESCO Heritage & 10x Faster 🚀

Khmer Hybrid Calendar v1.1.0 Released — Complete Holidays, UNESCO Heritage & 10x Faster 🚀

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2 min read
TypeScript `Partial`, `Required`, and `DeepPartial` in 2026: Which Utility Type Actually Fits Your Use Case

TypeScript `Partial`, `Required`, and `DeepPartial` in 2026: Which Utility Type Actually Fits Your Use Case

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17 min read
toBlob('image/webp', 1.0) is lossless, and 3.5 bigger than 0.999

toBlob('image/webp', 1.0) is lossless, and 3.5 bigger than 0.999

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3 min read
How to Build a 3D Tilt Profile Card with HTML, CSS & JavaScript

How to Build a 3D Tilt Profile Card with HTML, CSS & JavaScript

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12 min read
CRUD Operations with JavaScript Objects

CRUD Operations with JavaScript Objects

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1 min read
The 15-second test that tells you an AI-generated test is worthless

The 15-second test that tells you an AI-generated test is worthless

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2 min read
Building a Production-Style AI Telegram Bot with Node.js, Gemini, Cron and Fallbacks

Building a Production-Style AI Telegram Bot with Node.js, Gemini, Cron and Fallbacks

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5 min read
Sketching a photo-to-rap-video pipeline

Sketching a photo-to-rap-video pipeline

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2 min read
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