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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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7 New JavaScript Features (And 2 I'm Still Waiting For)

Upcoming ECMAScript 2026 standard updates

7 New JavaScript Features (And 2 I'm Still Waiting For)

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Comments 17
9 min read
Next.js 16 Server Actions Security: The Auth Check Most Developers Miss

Actions as public API endpoints

Next.js 16 Server Actions Security: The Auth Check Most Developers Miss

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Comments 7
8 min read
TypeScript Tips That Actually Matter in Real Projects (including the satisfies operator)

Eight habits to stop fighting the type system

TypeScript Tips That Actually Matter in Real Projects (including the satisfies operator)

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Comments 8
11 min read
Function Names in JS Can't Contain Spaces, Right?

Function Names in JS Can't Contain Spaces, Right?

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Comments 1
2 min read
Migrating to Manifest V3: what actually broke, what we saved, and what we gained

Migrating to Manifest V3: what actually broke, what we saved, and what we gained

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Comments 4
6 min read
I built a file compressor that never uploads your files (ffmpeg.wasm + Canvas + Web Audio)

I built a file compressor that never uploads your files (ffmpeg.wasm + Canvas + Web Audio)

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Comments
2 min read
Stokado: A Zero-Dependency Proxy Wrapper That Makes Browser Storage Feel Like a Plain Object

Stokado: A Zero-Dependency Proxy Wrapper That Makes Browser Storage Feel Like a Plain Object

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Comments 1
9 min read
Show the Cookie Consent Banner Only to Visitors Who Legally Need It

Show the Cookie Consent Banner Only to Visitors Who Legally Need It

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Comments 3
12 min read
Legacy code não envelhece como vinho: quanto mais espera, pior fica

Legacy code não envelhece como vinho: quanto mais espera, pior fica

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4 min read
How to Validate Environment Variables Without a Library (And Why You Should Anyway)

How to Validate Environment Variables Without a Library (And Why You Should Anyway)

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Comments 1
3 min read
Twitter/X Video Downloads in 2026: Tools, APIs, and What Actually Works

Twitter/X Video Downloads in 2026: Tools, APIs, and What Actually Works

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3 min read
Scraping Prices Without an API: Chrome Content Script Patterns for Japanese E-Commerce

Scraping Prices Without an API: Chrome Content Script Patterns for Japanese E-Commerce

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4 min read
The Node.js bug that's invisible to your monitoring

The Node.js bug that's invisible to your monitoring

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Comments 2
7 min read
I built a moon phase tracker and this is my first-ever side project.

I built a moon phase tracker and this is my first-ever side project.

Comments
1 min read
Your JSON Is Valid... Until It's Not: Common Parse Errors and How to Fix Them

Your JSON Is Valid... Until It's Not: Common Parse Errors and How to Fix Them

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2 min read
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