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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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How to Personalize Your Website by User Location (Free API + JavaScript)

How to Personalize Your Website by User Location (Free API + JavaScript)

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4 min read
I built a 3D audio visualizer and monetized it with Lemon Squeezy in a week

I built a 3D audio visualizer and monetized it with Lemon Squeezy in a week

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3 min read
Adeus Regex de CNPJ: Valide o Novo Formato Alfanumérico no NestJS e TS ⚡

Adeus Regex de CNPJ: Valide o Novo Formato Alfanumérico no NestJS e TS ⚡

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2 min read
Ionify vs Vite: What Actually Happens Inside Your Build Tool

Ionify vs Vite: What Actually Happens Inside Your Build Tool

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3 min read
You Just Need Entities That Can Die

You Just Need Entities That Can Die

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6 min read
How I Implemented End-to-End SSE Streaming: From LLM to Browser Through Nginx

How I Implemented End-to-End SSE Streaming: From LLM to Browser Through Nginx

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13 min read
Releasing @hsblabs/web-stream-extras: small utilities for WHATWG byte stream pipelines

Releasing @hsblabs/web-stream-extras: small utilities for WHATWG byte stream pipelines

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2 min read
A retro NES-style website that resizes images for free (runs entirely in your browser)

A retro NES-style website that resizes images for free (runs entirely in your browser)

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1 min read
Building an AI fallback system: when to use GPT-4o, when to fall back to Haiku, when to skip the LLM entirely

Building an AI fallback system: when to use GPT-4o, when to fall back to Haiku, when to skip the LLM entirely

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5 min read
How to Build a Website Change Detector in 30 Lines of Code

How to Build a Website Change Detector in 30 Lines of Code

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4 min read
How I built tamper-proof audit logs for AI agents at 15

How I built tamper-proof audit logs for AI agents at 15

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3 min read
Convert HTML to PNG in the Browser Using SVG foreignObject (No Library)

Native 80-line fix for common rendering bugs

Convert HTML to PNG in the Browser Using SVG foreignObject (No Library)

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6 min read
Every Readability Formula Explained (with JavaScript Examples)

Every Readability Formula Explained (with JavaScript Examples)

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5 min read
HazelJS v0.2.0 Stable Release

HazelJS v0.2.0 Stable Release

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5 min read
I built a zero-dependency validation library for every Indian developer

I built a zero-dependency validation library for every Indian developer

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4 min read
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