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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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I Built a Privacy-First Calculator Platform Used in 100+ Countries — Here's the Stack

I Built a Privacy-First Calculator Platform Used in 100+ Countries — Here's the Stack

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3 min read
5 Cookie Tricks for Debugging Auth Issues in Chrome (No More Creating Test Accounts)

5 Cookie Tricks for Debugging Auth Issues in Chrome (No More Creating Test Accounts)

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4 min read
Mastering Focus Management in React 19: Solving the Single-Page Application Routing Gap for WCAG 2.1 and EN 301 549 Compliance

Mastering Focus Management in React 19: Solving the Single-Page Application Routing Gap for WCAG 2.1 and EN 301 549 Compliance

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7 min read
Browser Scroll Restoration Is Broken on SPAs. Here's How a Chrome Extension Fixes It.

Browser Scroll Restoration Is Broken on SPAs. Here's How a Chrome Extension Fixes It.

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4 min read
How I Built a SaaS Template Marketplace with Next.js 14, Groq AI, and Stripe

How I Built a SaaS Template Marketplace with Next.js 14, Groq AI, and Stripe

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2 min read
Most apps do not need a full date library, so I built a 2KB one

Most apps do not need a full date library, so I built a 2KB one

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3 min read
I Built a Week Number Calculator with 18000+ Static Pages and a Free API —— Here's How

I Built a Week Number Calculator with 18000+ Static Pages and a Free API —— Here's How

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2 min read
Stop Race Conditions: React AbortControllers ⚡

Stop Race Conditions: React AbortControllers ⚡

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2 min read
When an AI Agent Joins Your Yjs Room, Three Assumptions Break

When an AI Agent Joins Your Yjs Room, Three Assumptions Break

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6 min read
Show OS: Universal Uploader – Zero-dependency, stream-based file uploading with transparent XHR fallback

Show OS: Universal Uploader – Zero-dependency, stream-based file uploading with transparent XHR fallback

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2 min read
A free, no-sign-up worksheet generator that runs entirely in the browser

A free, no-sign-up worksheet generator that runs entirely in the browser

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1 min read
Support Vector Machines From Scratch: the Widest-Margin Classifier

Support Vector Machines From Scratch: the Widest-Margin Classifier

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1 min read
I Rebuilt the macOS Dock Magnify Effect in CSS + JS

I Rebuilt the macOS Dock Magnify Effect in CSS + JS

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1 min read
I Built a Colour-Palette Extractor That Runs 100% in the Browser

I Built a Colour-Palette Extractor That Runs 100% in the Browser

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1 min read
I Built the Chrome Dino Game (Endless Runner) in Vanilla JS

I Built the Chrome Dino Game (Endless Runner) in Vanilla JS

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1 min read
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