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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 priced my side project's LLM bill in 20 lines of JavaScript — here's the token math

I priced my side project's LLM bill in 20 lines of JavaScript — here's the token math

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4 min read
Keeping headlines off people's faces: in-browser face detection with MediaPipe

Keeping headlines off people's faces: in-browser face detection with MediaPipe

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4 min read
When an AI Integration Guide and Its Recommended SDK Installation Don't Align

When an AI Integration Guide and Its Recommended SDK Installation Don't Align

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3 min read
One number, three roundings: toFixed, Math.round and Intl.NumberFormat disagree on 1.005

One number, three roundings: toFixed, Math.round and Intl.NumberFormat disagree on 1.005

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2 min read
Safe Download Filenames in JavaScript: Turning Whatever the User Uploaded into bruh-trim.mp3

Safe Download Filenames in JavaScript: Turning Whatever the User Uploaded into bruh-trim.mp3

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9 min read
Burning Bridges AI: Shipping a Locked Party-Scene Effect (Silver Cup “Where She At?”)

Burning Bridges AI: Shipping a Locked Party-Scene Effect (Silver Cup “Where She At?”)

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6 min read
I Built a Free UTM Link Inspector to Catch Campaign Tracking Mistakes

I Built a Free UTM Link Inspector to Catch Campaign Tracking Mistakes

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3 min read
I diffed my Capacitor APK against my web build. 780 files inside it no longer existed.

I diffed my Capacitor APK against my web build. 780 files inside it no longer existed.

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6 min read
Shipping AI-assisted migrations without a big-bang PR

Shipping AI-assisted migrations without a big-bang PR

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5 min read
BlockWall: A Tiny Script That Blocks Ad Blockers

BlockWall: A Tiny Script That Blocks Ad Blockers

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2 min read
How to Compress Images Locally in the Browser with JavaScript — No Server Upload Required

How to Compress Images Locally in the Browser with JavaScript — No Server Upload Required

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2 min read
The 7 Sneakiest Bugs That Slip Past 100% Test Coverage (And How to Spot Them)

The 7 Sneakiest Bugs That Slip Past 100% Test Coverage (And How to Spot Them)

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4 min read
31/10

31/10

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1 min read
Peptide calculator math: the water volume is the free variable

Peptide calculator math: the water volume is the free variable

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3 min read
Adding 8 working hours is harder than it looks

Adding 8 working hours is harder than it looks

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7 min read
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