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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 an AI chat over my CV on a zero-pound inference budget

I built an AI chat over my CV on a zero-pound inference budget

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4 min read
How I run axe-core inside a headless browser to audit WCAG compliance across 30 client sites

How I run axe-core inside a headless browser to audit WCAG compliance across 30 client sites

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4 min read
Why I Didn't Use an AST Parser in My AI Code Commenter (And Why That's the Right Call)

Why I Didn't Use an AST Parser in My AI Code Commenter (And Why That's the Right Call)

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5 min read
Detecting WebRTC IP leaks in the browser: how it works and how to test it

Detecting WebRTC IP leaks in the browser: how it works and how to test it

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4 min read
How to process 1.5GB+ JSON/CSV files in the browser without crashing the RAM

How to process 1.5GB+ JSON/CSV files in the browser without crashing the RAM

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2 min read
How I built a modern UI5 component library for SAP Fiori on-premise

How I built a modern UI5 component library for SAP Fiori on-premise

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1 min read
How to check Core Web Vitals for hundreds of URLs at once (API + code)

How to check Core Web Vitals for hundreds of URLs at once (API + code)

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3 min read
How to Build a JavaScript Framework

How to Build a JavaScript Framework

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16 min read
Passkeys Under the Hood: What's Actually Happening When You Use Face ID to Log In

Passkeys Under the Hood: What's Actually Happening When You Use Face ID to Log In

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3 min read
Your `.sort()` is mutating state. JavaScript finally gave you the fix.

Your `.sort()` is mutating state. JavaScript finally gave you the fix.

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4 min read
I Built a Free Fake Screenshot Generator for Memes & Content Creators

I Built a Free Fake Screenshot Generator for Memes & Content Creators

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1 min read
The Typo Typescript Hid From Me

The Typo Typescript Hid From Me

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2 min read
Client-Side Image Format Conversion — JPEG, PNG, WebP, AVIF in the Browser

Client-Side Image Format Conversion — JPEG, PNG, WebP, AVIF in the Browser

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2 min read
Array in JavaScript

Array in JavaScript

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2 min read
Building a Browser-Based Image Resizer with Step-Down Scaling and Crop

Building a Browser-Based Image Resizer with Step-Down Scaling and Crop

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2 min read
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