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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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How I Built a Swedish Crossword Solver with Astro and 400,000+ Words

How I Built a Swedish Crossword Solver with Astro and 400,000+ Words

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4 min read
We Broke Our App Into 50 Microservices. Then We Put It Back Together — And Cut Costs by 90%

We Broke Our App Into 50 Microservices. Then We Put It Back Together — And Cut Costs by 90%

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12 min read
I Built a Discord SaaS in 3 Months at 19. Here's What It Actually Took.

I Built a Discord SaaS in 3 Months at 19. Here's What It Actually Took.

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2 min read
Callbacks in JavaScript: Why They Exist

Callbacks in JavaScript: Why They Exist

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1 min read
Why your React app feels slow (and how to fix it)

Why your React app feels slow (and how to fix it)

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5 min read
Day 2 of my 21-day API challenge, built a Password Strength & Security Scorer API

Day 2 of my 21-day API challenge, built a Password Strength & Security Scorer API

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3 min read
Stop Losing Users to Slow Loads: A Developer’s Guide to Core Web Vitals in 2026

Stop Losing Users to Slow Loads: A Developer’s Guide to Core Web Vitals in 2026

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1 min read
I built a tool that explains your stack traces in plain English — here's why

I built a tool that explains your stack traces in plain English — here's why

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2 min read
Living on the Linux Console — Part 2: casty, a Full Browser for TTY

Living on the Linux Console — Part 2: casty, a Full Browser for TTY

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2 min read
Stop the Flicker: The Definitive Guide to Optimizing Claude Code Terminal UX

Stop the Flicker: The Definitive Guide to Optimizing Claude Code Terminal UX

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6 min read
How I Built an AI-Powered Claw Machine Controlled via WebRTC and Lark/Feishu 🤖🪝

How I Built an AI-Powered Claw Machine Controlled via WebRTC and Lark/Feishu 🤖🪝

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2 min read
10 Cool CodePen Demos (April 2026)

10 Cool CodePen Demos (April 2026)

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2 min read
The Most Underestimated Function in JavaScript: `reduce()`

The Most Underestimated Function in JavaScript: `reduce()`

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5 min read
OCR in the Browser: How Tesseract.js Makes PDF Text Extraction Free

OCR in the Browser: How Tesseract.js Makes PDF Text Extraction Free

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7 min read
I Created Something Cool and Satisfying to Watch with HTML Canvas (A Plane Infinitely Drifting…

I Created Something Cool and Satisfying to Watch with HTML Canvas (A Plane Infinitely Drifting…

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4 min read
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