DEV Community

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!

Posts

đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.
I Built a Chrome Extension to Sync AI Studio System Instructions. Here's Why chrome.storage.sync Couldn't Do It

Gemma 4 Challenge: Write about Gemma 4 Submission

I Built a Chrome Extension to Sync AI Studio System Instructions. Here's Why chrome.storage.sync Couldn't Do It

Comments
4 min read
"I Thought Adding Google-Style OAuth to My Local AI Gateway Would Take One Evening"

"I Thought Adding Google-Style OAuth to My Local AI Gateway Would Take One Evening"

2
Comments
5 min read
I Built Tautest: A Mutation Testing Workflow for AI-Written Tests

I Built Tautest: A Mutation Testing Workflow for AI-Written Tests

1
Comments 1
4 min read
I built an offline Chrome extension that reads webpages aloud with AI voices and zero cloud calls

I built an offline Chrome extension that reads webpages aloud with AI voices and zero cloud calls

Comments
2 min read
Recursion in 5 Minutes (with examples)

Recursion in 5 Minutes (with examples)

Comments
3 min read
Why I Built 200+ Niche Calculators Instead of One "Smart" Calculator

Why I Built 200+ Niche Calculators Instead of One "Smart" Calculator

Comments
3 min read
OKLab vs RGB: Why Your Color Matching Algorithm is Wrong

OKLab vs RGB: Why Your Color Matching Algorithm is Wrong

Comments
3 min read
How I Built a Perceptual Color Quantization Engine for LEGO Mosaics

How I Built a Perceptual Color Quantization Engine for LEGO Mosaics

Comments
2 min read
vite-plugin-federation 1.0: Bringing Module Federation Into the Production Era for Vite

vite-plugin-federation 1.0: Bringing Module Federation Into the Production Era for Vite

Comments
17 min read
TIL canvas.captureStream() is video-only — here's how I mixed voiceover + music into a MediaRecorder export" published: true

TIL canvas.captureStream() is video-only — here's how I mixed voiceover + music into a MediaRecorder export" published: true

Comments
5 min read
Debugging the 0.2%: When Node.js Code Fails on Alternative Runtimes

Debugging the 0.2%: When Node.js Code Fails on Alternative Runtimes

Comments
4 min read
I built a Chrome extension that explains your console errors in plain English

I built a Chrome extension that explains your console errors in plain English

Comments
8 min read
JavaScript Modules Explained: From Chaos to Clean Code

JavaScript Modules Explained: From Chaos to Clean Code

Comments
2 min read
Sessions vs JWT vs Cookies: Understanding Authentication Approaches

Sessions vs JWT vs Cookies: Understanding Authentication Approaches

Comments
9 min read
How to integrate DeepSeek R1 into your React app

How to integrate DeepSeek R1 into your React app

Comments
6 min read
đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.