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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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Join our latest Frontend Challenge: Comfort Food Edition 🍲

Features a CSS art prompt

Join our latest Frontend Challenge: Comfort Food Edition 🍲

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4 min read
Como caracteres Unicode criam letras diferentes no navegador

Como caracteres Unicode criam letras diferentes no navegador

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3 min read
Understanding Node.js Modules

Understanding Node.js Modules

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5 min read
Why Your JavaScript Toolchain Keeps Breaking (And How to Fix It with Jolter)

Why Your JavaScript Toolchain Keeps Breaking (And How to Fix It with Jolter)

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4 min read
You've been wrapping `new URL()` in try/catch. `URL.parse()` does it natively.

You've been wrapping `new URL()` in try/catch. `URL.parse()` does it natively.

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5 min read
Four AI APIs, four completely different citation formats. Getting the data out was harder than the analysis.

Four AI APIs, four completely different citation formats. Getting the data out was harder than the analysis.

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6 min read
Nobody Writes Bad Crypto. They Write Correct Crypto at Four Layers.

Nobody Writes Bad Crypto. They Write Correct Crypto at Four Layers.

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4 min read
Cómo solucionar el error \"Enable JavaScript and cookies to continue\"

Cómo solucionar el error \"Enable JavaScript and cookies to continue\"

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3 min read
AbortController Beyond fetch: The Cancellation Patterns I Use in Every React App

AbortController Beyond fetch: The Cancellation Patterns I Use in Every React App

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5 min read
I Built a Clinic Web App by Shipping Phase 1 First (No, It's Not Done Yet)

I Built a Clinic Web App by Shipping Phase 1 First (No, It's Not Done Yet)

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2 min read
Build an MCP v2 Server in TypeScript with the New MCP SDK

Build an MCP v2 Server in TypeScript with the New MCP SDK

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12 min read
State Management in Next.js 15 Server State, Context, and When to Reach for Zustand

State Management in Next.js 15 Server State, Context, and When to Reach for Zustand

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5 min read
Building Fast Websites for Pakistan's Real Network Conditions (Not Just a Lighthouse Score)

Building Fast Websites for Pakistan's Real Network Conditions (Not Just a Lighthouse Score)

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4 min read
Your MCP Tool Definition Can Be 100% Spec-Compliant and Still Not Work

Your MCP Tool Definition Can Be 100% Spec-Compliant and Still Not Work

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2 min read
Day 165 of Learning MERN Stack

Day 165 of Learning MERN Stack

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2 min read
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