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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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Why I Built All 170 Tools to Run in the Browser (And What I Learned)

Why I Built All 170 Tools to Run in the Browser (And What I Learned)

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2 min read
Client-Side Image Processing: Why Your Images Should Never Leave Your Browser

Client-Side Image Processing: Why Your Images Should Never Leave Your Browser

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2 min read
I built 30 free developer tools in 4 weeks after work — here's everything I learned

I built 30 free developer tools in 4 weeks after work — here's everything I learned

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4 min read
React 19.2: Activity, useEffectEvent & React Compiler — A Practical Deep Dive (2026)

React 19.2: Activity, useEffectEvent & React Compiler — A Practical Deep Dive (2026)

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4 min read
Build a Notes App with ctrodb, Tailwind CSS, and Vanilla JavaScript

Build a Notes App with ctrodb, Tailwind CSS, and Vanilla JavaScript

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7 min read
Turning a 4,000-node DOM into 40 components: the hard part of website-to-React

Turning a 4,000-node DOM into 40 components: the hard part of website-to-React

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4 min read
XCrawl vs Puppeteer vs Playwright: Which Web Scraping Tool Saves You More Time in 2026?

XCrawl vs Puppeteer vs Playwright: Which Web Scraping Tool Saves You More Time in 2026?

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2 min read
How to Scrape JS-Rendered E-Commerce Pages Without Getting Blocked (2026 Guide)

How to Scrape JS-Rendered E-Commerce Pages Without Getting Blocked (2026 Guide)

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2 min read
Debugging JavaScript: The Guide I Wish I Had Earlier (2026)

Debugging JavaScript: The Guide I Wish I Had Earlier (2026)

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5 min read
JavaScript Performance: 8 Fixes That Actually Matter (2026)

JavaScript Performance: 8 Fixes That Actually Matter (2026)

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5 min read
JavaScript Performance: 8 Fixes That Actually Matter (2026)

JavaScript Performance: 8 Fixes That Actually Matter (2026)

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7 min read
Setting up socket.io

Setting up socket.io

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3 min read
How I built an anonymous daily leaderboard — and why it resets every night

How I built an anonymous daily leaderboard — and why it resets every night

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3 min read
Stop Testing Regex in Your Browser Console Use This Free Tool Instead

Stop Testing Regex in Your Browser Console Use This Free Tool Instead

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4 min read
Synchronization in Node.js: Why Single-Threaded Does Not Mean Safe From Concurrency Problems

Synchronization in Node.js: Why Single-Threaded Does Not Mean Safe From Concurrency Problems

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2 min read
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