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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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Build a Box Plot Calculator in Pure JavaScript — No Libraries Needed

Build a Box Plot Calculator in Pure JavaScript — No Libraries Needed

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5 min read
10 AI Coding Mistakes Every Beginner Makes (And How to Avoid Them)

10 AI Coding Mistakes Every Beginner Makes (And How to Avoid Them)

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3 min read
Feeding the LLM the Whole Thread: Prompt Chaining for Contextual Replies

Feeding the LLM the Whole Thread: Prompt Chaining for Contextual Replies

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7 min read
You've been writing this `reduce` a hundred times. `Object.groupBy` does it in one.

You've been writing this `reduce` a hundred times. `Object.groupBy` does it in one.

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4 min read
How I Built a Chrome Volume Booster with Manifest V3 and Web Audio API

How I Built a Chrome Volume Booster with Manifest V3 and Web Audio API

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2 min read
I built a browser-only HTTP Cookie Inspector — parse Set-Cookie, security score, XSS/CSRF flags, 84 tests

I built a browser-only HTTP Cookie Inspector — parse Set-Cookie, security score, XSS/CSRF flags, 84 tests

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2 min read
I'm AI-First, Vanilla JS Only, and I'm Not Sorry

I'm AI-First, Vanilla JS Only, and I'm Not Sorry

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3 min read
I Built FinTrack - My Personal Finance App from Scratch

I Built FinTrack - My Personal Finance App from Scratch

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2 min read
Javascript Array sort method challenges

Javascript Array sort method challenges

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1 min read
AbortController is how fetch learned to clean up after itself

AbortController is how fetch learned to clean up after itself

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5 min read
Pull Live Crypto Market Data Without a Rate Limited Key

Pull Live Crypto Market Data Without a Rate Limited Key

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2 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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1 min read
How a Simple Word Counter Turned Into 50+ Browser-Based Tools in Just Three Weeks

How a Simple Word Counter Turned Into 50+ Browser-Based Tools in Just Three Weeks

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5 min read
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3 min read
React useIntersectionObserver Hook: Lazy Load & Detect Visibility (2026)

React useIntersectionObserver Hook: Lazy Load & Detect Visibility (2026)

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8 min read
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