close

DEV Community

Image

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!

Posts

👋 Sign in for the ability to sort posts by relevant, latest, or top.
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)

Image Image Image 57
Comments 19
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

Image Image Image 10
Comments 8
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)

Image Image Image 22
Comments 9
11 min read
Function Names in JS Can't Contain Spaces, Right?

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

Image Image Image 13
Comments 1
2 min read
Zero-Dependency Favicon Generation with Canvas API — Build Your Own in 50 Lines

Zero-Dependency Favicon Generation with Canvas API — Build Your Own in 50 Lines

Comments
3 min read
Inbox Zero for Devs: How I Built a JavaScript Script to Destroy Gmail Spam

Inbox Zero for Devs: How I Built a JavaScript Script to Destroy Gmail Spam

Comments
3 min read
How I built file tools that never upload your files (Canvas API + Web Workers)

How I built file tools that never upload your files (Canvas API + Web Workers)

Comments
2 min read
Exit intent that works on mobile, not just desktop

Exit intent that works on mobile, not just desktop

Comments
3 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)

Image Image 5
Comments 3
3 min read
How I built an end-to-end encrypted pastebin (and why the server can’t read your text)

How I built an end-to-end encrypted pastebin (and why the server can’t read your text)

Comments
2 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

Image 2
Comments 4
12 min read
🚀React Learning Journey – Day 3: Understanding JSX, Components, Props, Bundlers, and What Happens After `npm run dev`

🚀React Learning Journey – Day 3: Understanding JSX, Components, Props, Bundlers, and What Happens After `npm run dev`

Image Image Image 10
Comments 1
6 min read
Legacy code não envelhece como vinho: quanto mais espera, pior fica

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

Comments
4 min read
Building a Real-Time World Cup 2026 Bracket Predictor with Vanilla JS and GitHub Actions

Building a Real-Time World Cup 2026 Bracket Predictor with Vanilla JS and GitHub Actions

Comments 1
3 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

Image 1
Comments 2
9 min read
👋 Sign in for the ability to sort posts by relevant, latest, or top.