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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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The Spreadsheet Killer That Isn't: Building a Budget App for Excel Power Users

The Spreadsheet Killer That Isn't: Building a Budget App for Excel Power Users

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3 min read
[JavaScript] 데이터 복사 이해하기 (feat. 얕은 복사, 깊은 복사)

[JavaScript] 데이터 복사 이해하기 (feat. 얕은 복사, 깊은 복사)

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2 min read
Vercel made frontend deployments impossible to break. Nobody did the same for backend. So I did.

Vercel made frontend deployments impossible to break. Nobody did the same for backend. So I did.

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3 min read
The Browser Is Already a Supercomputer. You Just Have to Ask.

The Browser Is Already a Supercomputer. You Just Have to Ask.

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4 min read
Why Your Loop Runs Forever (and How to Actually Debug It)

Why Your Loop Runs Forever (and How to Actually Debug It)

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5 min read
Where to Start with React Performance

Where to Start with React Performance

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4 min read
Debugging Renders, Callbacks Everywhere, and JavaScript's Global Scope

Debugging Renders, Callbacks Everywhere, and JavaScript's Global Scope

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3 min read
I Built a Scroll Position Memory Extension That Actually Works on SPAs

I Built a Scroll Position Memory Extension That Actually Works on SPAs

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4 min read
React Query vs SWR in 2026: What I Actually Use and Why

React Query vs SWR in 2026: What I Actually Use and Why

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3 min read
The Particle That Walks Through Walls — And Why Your Phone Depends On It

The Particle That Walks Through Walls — And Why Your Phone Depends On It

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4 min read
🧠 Dev.to Un-Stuck: The Chrome Extension That Finally Fixes Your Reading List

🧠 Dev.to Un-Stuck: The Chrome Extension That Finally Fixes Your Reading List

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3 min read
URL Encoding Explained: encodeURIComponent vs encodeURI (and When to Use Each)

URL Encoding Explained: encodeURIComponent vs encodeURI (and When to Use Each)

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3 min read
SEPA pain.001 XML in 5 Minutes: Generate and Validate for Free

SEPA pain.001 XML in 5 Minutes: Generate and Validate for Free

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3 min read
I Built a Free Malaysian Stamp Duty Calculator (2025 Rates)

I Built a Free Malaysian Stamp Duty Calculator (2025 Rates)

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2 min read
Confused by Mouse Coordinates in Three.js? Here’s the 2-Minute Explanation

Confused by Mouse Coordinates in Three.js? Here’s the 2-Minute Explanation

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2 min read
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