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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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WebP vs AVIF vs HEIC: The Real-World Image Format Comparison (2026)

WebP vs AVIF vs HEIC: The Real-World Image Format Comparison (2026)

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6 min read
I Was Asked to Add a Simple Classifier to a Website. Then I Saw the 250 MB Download.

I Was Asked to Add a Simple Classifier to a Website. Then I Saw the 250 MB Download.

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4 min read
Formatear y validar JSON en JavaScript: JSON.stringify(), errores comunes y casos límite

Formatear y validar JSON en JavaScript: JSON.stringify(), errores comunes y casos límite

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2 min read
Generando UUIDs en JavaScript: crypto.randomUUID() y todo lo que necesitas saber

Generando UUIDs en JavaScript: crypto.randomUUID() y todo lo que necesitas saber

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2 min read
Base64 en JavaScript: codificación, decodificación y casos de uso reales

Base64 en JavaScript: codificación, decodificación y casos de uso reales

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2 min read
Cómo convertir imágenes en el navegador con Canvas API sin subir nada a un servidor

Cómo convertir imágenes en el navegador con Canvas API sin subir nada a un servidor

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2 min read
Expresiones regulares en JavaScript: guía práctica con ejemplos reales

Expresiones regulares en JavaScript: guía práctica con ejemplos reales

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2 min read
TypeScript: The Practical Guide for JavaScript Developers (2026)

TypeScript: The Practical Guide for JavaScript Developers (2026)

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5 min read
Closure in javascript.

Closure in javascript.

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2 min read
Building MGZon: Developer Portfolio + AI Bot + Social Network (9 min demo)

Building MGZon: Developer Portfolio + AI Bot + Social Network (9 min demo)

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2 min read
Closure

Closure

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1 min read
I built a CSS selector engine that uses BigInt bitmasks and a dual Bloom bucket index instead of DOM traversal — AQE is now on npm

I built a CSS selector engine that uses BigInt bitmasks and a dual Bloom bucket index instead of DOM traversal — AQE is now on npm

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2 min read
I Tried to Move My Docs to Svelte and Found Out My Docs Tool Was Secretly React

I Tried to Move My Docs to Svelte and Found Out My Docs Tool Was Secretly React

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4 min read
React Performance for Senior Developers (Practical, No Cargo Culting)

React Performance for Senior Developers (Practical, No Cargo Culting)

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3 min read
I built a tool that generates TypeScript fixtures from interfaces and Zod schemas

I built a tool that generates TypeScript fixtures from interfaces and Zod schemas

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2 min read
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