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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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This cache has a 0% hit rate, and there's no bug

This cache has a 0% hit rate, and there's no bug

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3 min read
Why Your Google Maps Rank Changes Block by Block (and How to Model It in JavaScript)

Why Your Google Maps Rank Changes Block by Block (and How to Model It in JavaScript)

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4 min read
Finding your Saturn return in JavaScript (and why retrograde makes it messy)

Finding your Saturn return in JavaScript (and why retrograde makes it messy)

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4 min read
String methods

String methods

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2 min read
How to safely run a take-home coding test (fake recruiter red flags after the Binance case)

How to safely run a take-home coding test (fake recruiter red flags after the Binance case)

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5 min read
Make Leave Unchanged Different From Clear This Order Note

Make Leave Unchanged Different From Clear This Order Note

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3 min read
Fog Is the Wolf's Eyesight: How the Fog Tide Works in a Three.js Horror Game

Fog Is the Wolf's Eyesight: How the Fog Tide Works in a Three.js Horror Game

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3 min read
Duplicate CSV Headers in the Browser: Three Naming Rules and Where They Disagree

Duplicate CSV Headers in the Browser: Three Naming Rules and Where They Disagree

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5 min read
Responsive Iframes in Chrome 154: Auto-Height in 3 Steps

Responsive Iframes in Chrome 154: Auto-Height in 3 Steps

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4 min read
How I Built PATH SSC — A Government Exam Companion (Frontend Prototype, Verified Features Only)

How I Built PATH SSC — A Government Exam Companion (Frontend Prototype, Verified Features Only)

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1 min read
Three Correlations Passed Validation. The Matrix Was Impossible.

Three Correlations Passed Validation. The Matrix Was Impossible.

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8 min read
I Built a 3D Periodic Table in the Browser So Students Can Actually Explore Chemistry

I Built a 3D Periodic Table in the Browser So Students Can Actually Explore Chemistry

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12 min read
Core Web Vitals Fix List for Developers: LCP, INP and CLS

Core Web Vitals Fix List for Developers: LCP, INP and CLS

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3 min read
Your PDF never leaves your browser: how I built 16 PDF tools with no uploads

Your PDF never leaves your browser: how I built 16 PDF tools with no uploads

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3 min read
I expected AI agents to write hollow tests. They didn't.

I expected AI agents to write hollow tests. They didn't.

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4 min read
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