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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!

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How I Built a 93-Day Streak Engine in Postgres That Scales to 28K Users

How I Built a 93-Day Streak Engine in Postgres That Scales to 28K Users

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6 min read
I Built a Premium Business Consulting Landing Page Using Only HTML, CSS, and Vanilla JavaScript

I Built a Premium Business Consulting Landing Page Using Only HTML, CSS, and Vanilla JavaScript

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3 min read
Cómo solucionar el bucle infinito en `useEffect` con objetos y arrays

Cómo solucionar el bucle infinito en `useEffect` con objetos y arrays

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2 min read
I Built a Random Letter Tool - Teachers Showed Me What It Was Really For.

I Built a Random Letter Tool - Teachers Showed Me What It Was Really For.

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4 min read
Introducing LBH: An Open Binary Protocol for Edge Computing, Automation, and AI

Introducing LBH: An Open Binary Protocol for Edge Computing, Automation, and AI

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2 min read
I built a Chrome extension used daily for PR review — 5 decisions I'd make differently

I built a Chrome extension used daily for PR review — 5 decisions I'd make differently

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9 min read
Watermark removal isn't lossy — you've been using the wrong tool

Watermark removal isn't lossy — you've been using the wrong tool

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6 min read
5 mistakes I made building an AI Chrome extension — and the readers who caught them

5 mistakes I made building an AI Chrome extension — and the readers who caught them

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9 min read
Shipping one Manifest V3 extension to Chrome, Edge, and Firefox from a single source

Shipping one Manifest V3 extension to Chrome, Edge, and Firefox from a single source

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3 min read
I built a Chrome extension used daily for PR review — 5 decisions I'd make differently

I built a Chrome extension used daily for PR review — 5 decisions I'd make differently

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9 min read
Your fetch() Is Still Running After the User Left

Your fetch() Is Still Running After the User Left

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4 min read
TypeScript 6.0 `isolatedDeclarations`: What It Actually Replaces and Why It Matters

TypeScript 6.0 `isolatedDeclarations`: What It Actually Replaces and Why It Matters

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8 min read
React Performance Checklist

React Performance Checklist

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3 min read
What building a contrast checker taught me about WCAG that I had wrong

What building a contrast checker taught me about WCAG that I had wrong

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2 min read
Week 9: Finally, I understand the Web.

Week 9: Finally, I understand the Web.

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11 min read
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