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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 JavaScript IntersectionObserver Is Not Triggering (And How to Fix It)

Why JavaScript IntersectionObserver Is Not Triggering (And How to Fix It)

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3 min read
I built a Chrome extension that downloads every image on a page — here's what I learned about Shadow DOM, CSS backgrounds, and Manifest V3

I built a Chrome extension that downloads every image on a page — here's what I learned about Shadow DOM, CSS backgrounds, and Manifest V3

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5 min read
I built a full Chrome extension as a "vibe coder" (using AI to solve my tab-hoarding problem)

I built a full Chrome extension as a "vibe coder" (using AI to solve my tab-hoarding problem)

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2 min read
How to Encode Base64 in JavaScript Without Breaking Unicode

How to Encode Base64 in JavaScript Without Breaking Unicode

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4 min read
Zero-Config Test Runner: JWT Auto-Gen and No Setup Docs

Zero-Config Test Runner: JWT Auto-Gen and No Setup Docs

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2 min read
Understanding the this Keyword in JavaScript

Understanding the this Keyword in JavaScript

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3 min read
Bitwarden CLI Compromised: What Developers Need to Know About the Ongoing Checkmarx Supply Chain Attack

Bitwarden CLI Compromised: What Developers Need to Know About the Ongoing Checkmarx Supply Chain Attack

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6 min read
Show Dev: I made a glassblowing sim you blow into

Show Dev: I made a glassblowing sim you blow into

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3 min read
How Figma Does Real-Time Sync (And Now You Can Too)

How Figma Does Real-Time Sync (And Now You Can Too)

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5 min read
Auto-Detect Should Not Auto-Apply: Building Reviewable Redaction Overlays

Auto-Detect Should Not Auto-Apply: Building Reviewable Redaction Overlays

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2 min read
How Face Blur Patches Stay Aligned During Export

How Face Blur Patches Stay Aligned During Export

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2 min read
Stop Exporting The Viewport: How Zoomed Image Editors Map Back To Original Pixels

Stop Exporting The Viewport: How Zoomed Image Editors Map Back To Original Pixels

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3 min read
DOM methods part 2

DOM methods part 2

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4 min read
I built a browser daemon for AI coding agents because Playwright wasn't enough

I built a browser daemon for AI coding agents because Playwright wasn't enough

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5 min read
Catch JavaScript errors with user-friendly error feedback

Catch JavaScript errors with user-friendly error feedback

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3 min read
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