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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 26 vs Node.js 24 LTS: should you upgrade now?

Node.js 26 vs Node.js 24 LTS: should you upgrade now?

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7 min read
React useFocus Hook: Track & Control Element Focus State (2026)

React useFocus Hook: Track & Control Element Focus State (2026)

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7 min read
The reasoning tokens Sentry's Vercel AI traces dropped for Gemini

Summer Bug Smash: Clear the Lineup 🐛🛹

The reasoning tokens Sentry's Vercel AI traces dropped for Gemini

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3 min read
Why Comparing PDFs Is Still Surprisingly Difficult

Why Comparing PDFs Is Still Surprisingly Difficult

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8 min read
React Mastery Series – Day 2: What is React and Why Was It Created?

React Mastery Series – Day 2: What is React and Why Was It Created?

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3 min read
Testing a Two-Chart Compatibility Engine Without Inventing Missing Data

Testing a Two-Chart Compatibility Engine Without Inventing Missing Data

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6 min read
ESLint Ships in 459 KB, So My Blog Posts Lint Your Code

ESLint Ships in 459 KB, So My Blog Posts Lint Your Code

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4 min read
Inside Instagram's DASH manifest — from MPD to segment to stitched MP4

Inside Instagram's DASH manifest — from MPD to segment to stitched MP4

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7 min read
Compress Images in the Browser with Canvas API — No Uploads, No Server

Compress Images in the Browser with Canvas API — No Uploads, No Server

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1 min read
Why your browser game loads to a black screen

Why your browser game loads to a black screen

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10 min read
TypeScript Access Modifiers in 2026: Why `private` Fields Beat `#` and When the Opposite Is True

TypeScript Access Modifiers in 2026: Why `private` Fields Beat `#` and When the Opposite Is True

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10 min read
I built 79 browser tools that never upload your data — here's why client-side matters

I built 79 browser tools that never upload your data — here's why client-side matters

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3 min read
🚀 Day 10 of My Node.js Learning Journey – Mastering the Path & OS Modules

🚀 Day 10 of My Node.js Learning Journey – Mastering the Path & OS Modules

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3 min read
UrlFetchApp Quotas & Retries in Apps Script: Backoff, Rate Limits & a Dead-Letter Queue

UrlFetchApp Quotas & Retries in Apps Script: Backoff, Rate Limits & a Dead-Letter Queue

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4 min read
How a Test Coverage Ratchet Finally Fixed the Codebase Everyone Was Afraid to Touch

How a Test Coverage Ratchet Finally Fixed the Codebase Everyone Was Afraid to Touch

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7 min read
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