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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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Node.js for Frontend Developers — What Nobody Explains

Node.js for Frontend Developers — What Nobody Explains

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4 min read
How I Rendered 50 Live Cursors at 60 FPS in React Without Crashing the DOM

How I Rendered 50 Live Cursors at 60 FPS in React Without Crashing the DOM

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4 min read
Cómo solucionar el error \"Text content does not match server-rendered HTML\" en Next.js App Router

Cómo solucionar el error \"Text content does not match server-rendered HTML\" en Next.js App Router

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3 min read
I Added a GPT Token Counter, and Learned Tiktoken's Own npm Package Ships the Vocab Files Twice

I Added a GPT Token Counter, and Learned Tiktoken's Own npm Package Ships the Vocab Files Twice

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2 min read
I Tested a Fake Detective Agency's API with Cypress (and It Was Actually Useful)

I Tested a Fake Detective Agency's API with Cypress (and It Was Actually Useful)

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8 min read
Join our latest Frontend Challenge: Comfort Food Edition 🍲

Celebrate you favorite foods through frontend art

Join our latest Frontend Challenge: Comfort Food Edition 🍲

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4 min read
Three open-source building blocks for AI agents: memory, safer tools, and web access

Three open-source building blocks for AI agents: memory, safer tools, and web access

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2 min read
React useInterval Hook: setInterval Without Stale Closures (2026)

React useInterval Hook: setInterval Without Stale Closures (2026)

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8 min read
Projeto - Wiki do Lostbelt 6 Fate Grand Order

Projeto - Wiki do Lostbelt 6 Fate Grand Order

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2 min read
Delete Your Auto-Resize Textarea JS. CSS Does It Now.

Delete Your Auto-Resize Textarea JS. CSS Does It Now.

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5 min read
A missing exchange rate is not an exchange rate of 1

Summer Bug Smash: Smash Stories 🐛🛹

A missing exchange rate is not an exchange rate of 1

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4 min read
Node 26.8 Put Syntax Highlighting in the REPL

Node 26.8 Put Syntax Highlighting in the REPL

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2 min read
Building a Browser-Based Tiled Poster PDF Generator

Building a Browser-Based Tiled Poster PDF Generator

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5 min read
I removed an arbitrary-SQL RPC from an agent memory adapter

I removed an arbitrary-SQL RPC from an agent memory adapter

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4 min read
🚀 How to Start a Node.js Project (Beginner’s Guide)

🚀 How to Start a Node.js Project (Beginner’s Guide)

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1 min read
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