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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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Morocco left GMT+1 in September 2026: how to check your software

Morocco left GMT+1 in September 2026: how to check your software

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2 min read
Unit-Testing an Hreflang Map Generated From a Spreadsheet

Unit-Testing an Hreflang Map Generated From a Spreadsheet

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2 min read
A linter that finds wasted tokens in your prompts (fork of ritenv/tokensift)

A linter that finds wasted tokens in your prompts (fork of ritenv/tokensift)

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2 min read
Shipping two freemium products in one day — no accounts, no KYC, all on-chain

Shipping two freemium products in one day — no accounts, no KYC, all on-chain

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3 min read
caniridedanceai: Side-by-Side Duet UX for a ~10s Can I Ride Template

caniridedanceai: Side-by-Side Duet UX for a ~10s Can I Ride Template

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5 min read
How I Built a Privacy-First Height Comparison Tool That Runs Entirely in the Browser

How I Built a Privacy-First Height Comparison Tool That Runs Entirely in the Browser

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2 min read
I built 59 free browser-based dev tools in vanilla JS — here's what I learned

I built 59 free browser-based dev tools in vanilla JS — here's what I learned

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2 min read
I Built a Batch Image Resizer That Never Uploads a Photo

I Built a Batch Image Resizer That Never Uploads a Photo

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4 min read
Don't Let Your Node.js Apps Drown: A Guide to Backpressure

Don't Let Your Node.js Apps Drown: A Guide to Backpressure

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3 min read
Bun 1.4.4's bun fmt checks Prettier's own repository about 280 times faster than Prettier

Bun 1.4.4's bun fmt checks Prettier's own repository about 280 times faster than Prettier

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7 min read
Turning a folder of SVG icons into React components (without a build plugin)

Turning a folder of SVG icons into React components (without a build plugin)

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5 min read
I rebuilt Loom as a free browser screen recorder — no install, no account

I rebuilt Loom as a free browser screen recorder — no install, no account

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2 min read
Building a Small Link Unfurler in Node.js: Tag Fallbacks, Relative Image URLs, Charsets and Not Fetching Your Own Network

Building a Small Link Unfurler in Node.js: Tag Fallbacks, Relative Image URLs, Charsets and Not Fetching Your Own Network

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9 min read
Tired of uploading 40MB PNGs to your server and then slicing them (React + Canvas)

Tired of uploading 40MB PNGs to your server and then slicing them (React + Canvas)

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7 min read
Checking hreflang on a bilingual static site with a 35-line Node script

Checking hreflang on a bilingual static site with a 35-line Node script

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3 min read
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