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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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Learn React by Building a Searchable Book List

Learn React by Building a Searchable Book List

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2 min read
What happens to a form submission after the free limit runs out

What happens to a form submission after the free limit runs out

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6 min read
Need help with a lightweight WebGL renderer sample (Vanilla JS / Three.js r79)

Need help with a lightweight WebGL renderer sample (Vanilla JS / Three.js r79)

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1 min read
What moving quote forms get wrong about stairs, elevators and long carries

What moving quote forms get wrong about stairs, elevators and long carries

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3 min read
Building a browser-only mockup and video editor with Next.js, Canvas, and WebCodecs

Building a browser-only mockup and video editor with Next.js, Canvas, and WebCodecs

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2 min read
Your sitemap's lastmod is lying — one CSS tweak marked all 380 pages as updated

Your sitemap's lastmod is lying — one CSS tweak marked all 380 pages as updated

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4 min read
How Web Push Actually Works: Service Workers, VAPID and FCM in Plain Terms

How Web Push Actually Works: Service Workers, VAPID and FCM in Plain Terms

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3 min read
The Word "eval" Is Not the Problem. Understanding What It Refers To Is.

The Word "eval" Is Not the Problem. Understanding What It Refers To Is.

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7 min read
How I Built a Transparent Etsy Fee Calculator in JavaScript

How I Built a Transparent Etsy Fee Calculator in JavaScript

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4 min read
Preload just before visibility with rootMargin, thresholds, and a stability check

Preload just before visibility with rootMargin, thresholds, and a stability check

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3 min read
How to Fix the WebGPU Black Screen & "Too Many People Are Playing" in the Viral WoW Browser Game (Azeroth Survivors)

How to Fix the WebGPU Black Screen & "Too Many People Are Playing" in the Viral WoW Browser Game (Azeroth Survivors)

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1 min read
Google Translate was crashing our React app — here's how we fixed "removeChild" for good

Google Translate was crashing our React app — here's how we fixed "removeChild" for good

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6 min read
What JSON.parse does to a 20-digit integer, and how to keep the digits

What JSON.parse does to a 20-digit integer, and how to keep the digits

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2 min read
Implementing Optical Vertex Distance Compensation in JavaScript (Glasses to Contacts Formula)

Implementing Optical Vertex Distance Compensation in JavaScript (Glasses to Contacts Formula)

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2 min read
30 seconds of JSLab: every result beside the line that made it

30 seconds of JSLab: every result beside the line that made it

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1 min read
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