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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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Tracking ChatGPT, Perplexity and Claude Referrals Properly: GA4 Regex, Server Logs and the 'Dark AI' Problem

Tracking ChatGPT, Perplexity and Claude Referrals Properly: GA4 Regex, Server Logs and the 'Dark AI' Problem

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5 min read
Supabase Realtime From Scratch: Tic-Tac-Toe With Broadcast and Presence, Then a Live Order Board That Survives Late Joiners and Dropped Connections

Supabase Realtime From Scratch: Tic-Tac-Toe With Broadcast and Presence, Then a Live Order Board That Survives Late Joiners and Dropped Connections

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8 min read
Validating a 5 GB XML file in the browser

Validating a 5 GB XML file in the browser

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5 min read
Calculate drawImage crops from the source image dimensions

Calculate drawImage crops from the source image dimensions

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1 min read
What Is GZIP Compression, and Is It Working on Your Site?

What Is GZIP Compression, and Is It Working on Your Site?

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3 min read
Modern Frontend Development Trends: Build Faster, Smarter Web Apps

Modern Frontend Development Trends: Build Faster, Smarter Web Apps

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4 min read
I built a Valheim seed tool that reads the seed straight out of your save

I built a Valheim seed tool that reads the seed straight out of your save

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2 min read
Why "No Uploads" Is the Most Important Feature of a PDF Tool

Why "No Uploads" Is the Most Important Feature of a PDF Tool

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1 min read
JavaScript Closures Explained with a Real-World Example

JavaScript Closures Explained with a Real-World Example

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1 min read
Halftone type in WebGL, one draw call per headline

Halftone type in WebGL, one draw call per headline

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4 min read
How I Built an AI Phone Receptionist: Webhooks, Stateless Turns and Structured LLM Output

How I Built an AI Phone Receptionist: Webhooks, Stateless Turns and Structured LLM Output

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4 min read
Running LLMs inside a Chrome extension: WebLLM, transformers.js and the MV3 traps

Running LLMs inside a Chrome extension: WebLLM, transformers.js and the MV3 traps

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7 min read
Why should a completed AI video job enter a review state?

Why should a completed AI video job enter a review state?

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3 min read
CodeMirror Showed My HTML. The Published Post Was Empty.

CodeMirror Showed My HTML. The Published Post Was Empty.

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6 min read
Fixing "No 'Access-Control-Allow-Origin' header": a 5-minute CORS checklist

Fixing "No 'Access-Control-Allow-Origin' header": a 5-minute CORS checklist

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3 min read
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