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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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Stop Trusting User Input: The Power of Schema Validation with Zod
renato_silva_71eef0fc385f profile

Stop Trusting User Input: The Power of Schema Validation with Zod

#javascript #node #zod #webdev
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2 min read
How to Write Authorization Middleware for Express.js Applications
137foundry profile

How to Write Authorization Middleware for Express.js Applications

#webdev #javascript #programming
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5 min read
Angular v22 WebMCP Tools Explained
brianmtreese profile

Angular v22 WebMCP Tools Explained

#angular #webdev #ai #javascript
2
Comments 1
6 min read
Stop Wrestling with Environment Variables: How to Convert JSON to .env Files Instantly
goodnewsj62 profile

Stop Wrestling with Environment Variables: How to Convert JSON to .env Files Instantly

#javascript #node #productivity #tooling
1
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4 min read
The Three Conditions for Seeing the ISS — A Browser-Only Visibility Calculator with Spherical Trigonometry
sendotltd profile

The Three Conditions for Seeing the ISS — A Browser-Only Visibility Calculator with Spherical Trigonometry

#javascript #space #math #webdev
Comments 2
5 min read
WebP vs AVIF vs HEIC: The Real-World Image Format Comparison (2026)
cc_quickconv_ff5b94a1d015 profile

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

#webdev #images #performance #javascript
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6 min read
Formatear y validar JSON en JavaScript: JSON.stringify(), errores comunes y casos lĂ­mite
toolrapido profile

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

#javascript #webdev #tutorial #node
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2 min read
Generando UUIDs en JavaScript: crypto.randomUUID() y todo lo que necesitas saber
toolrapido profile

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

#javascript #webdev #tutorial #node
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2 min read
Base64 en JavaScript: codificaciĂłn, decodificaciĂłn y casos de uso reales
toolrapido profile

Base64 en JavaScript: codificaciĂłn, decodificaciĂłn y casos de uso reales

#javascript #webdev #tutorial #security
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2 min read
Expresiones regulares en JavaScript: guía práctica con ejemplos reales
toolrapido profile

Expresiones regulares en JavaScript: guía práctica con ejemplos reales

#javascript #regex #webdev #tutorial
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2 min read
Cómo convertir imágenes en el navegador con Canvas API sin subir nada a un servidor
toolrapido profile

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

#javascript #canvas #webdev #tutorial
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2 min read
Closure in javascript.
madhavan_g_77 profile

Closure in javascript.

#beginners #javascript #programming #tutorial
4
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2 min read
Closure
mohandassmani profile

Closure

#beginners #javascript #programming #tutorial
3
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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
willmart_aqe profile

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

#showdev #css #javascript #performance
1
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2 min read
React Performance for Senior Developers (Practical, No Cargo Culting)
grantwatsondev profile

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

#frontend #javascript #performance #react
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3 min read
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