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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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🥁 Mâm Cơm Landing Page: I built a Vietnamese dinner tray on a 3,000-year-old bronze drum

Frontend Challenge Perfect Landing Submission 🍲🥧

🥁 Mâm Cơm Landing Page: I built a Vietnamese dinner tray on a 3,000-year-old bronze drum

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Comments 4
9 min read
You're installing date-fns for 'X hours ago'. `Intl.RelativeTimeFormat` does it natively.

You're installing date-fns for 'X hours ago'. `Intl.RelativeTimeFormat` does it natively.

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4 min read
Dead-pixel test sites are just colored divs — the actual engineering problem is the Fullscreen API, not the colors

Dead-pixel test sites are just colored divs — the actual engineering problem is the Fullscreen API, not the colors

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6 min read
Understanding JWT: How Servers Remember You Without Sessions

Understanding JWT: How Servers Remember You Without Sessions

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5 min read
I Built a Colour Palette Generator with Vanilla JavaScript

I Built a Colour Palette Generator with Vanilla JavaScript

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2 min read
« J'ai fini le tuto Node, et là je suis bloqué » — le mur dont personne ne parle

« J'ai fini le tuto Node, et là je suis bloqué » — le mur dont personne ne parle

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5 min read
Phase 5: The Numbers Start Talking

Phase 5: The Numbers Start Talking

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15 min read
API Pagination Patterns: Offset, Cursor, and Keyset Explained

API Pagination Patterns: Offset, Cursor, and Keyset Explained

Comments 1
3 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

Comments 1
2 min read
TypeScript Enums Are Still Controversial in 2026: Here Is When to Use Them and When to Reach for `const` Objects

TypeScript Enums Are Still Controversial in 2026: Here Is When to Use Them and When to Reach for `const` Objects

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10 min read
Getting Typed JSON Out of LLMs: Field Notes on generateObject

Getting Typed JSON Out of LLMs: Field Notes on generateObject

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5 min read
React useEvent Hook: Stable Callbacks Without Stale Closures (2026)

React useEvent Hook: Stable Callbacks Without Stale Closures (2026)

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7 min read
Your file upload validation is probably lying to you.

Your file upload validation is probably lying to you.

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6 min read
I built a 100% client-side image & PDF toolkit — no uploads, no server

I built a 100% client-side image & PDF toolkit — no uploads, no server

3
Comments
1 min read
ffmpeg.wasm 0.12 hung on the first frame — and the real speedup was not the upgrade

ffmpeg.wasm 0.12 hung on the first frame — and the real speedup was not the upgrade

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6 min read
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