DEV Community

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

đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.
Building Guardrails for Autonomous Agents: Mastering EU AI Act Compliance in TypeScript

Building Guardrails for Autonomous Agents: Mastering EU AI Act Compliance in TypeScript

Comments 4
9 min read
How to test dark mode accessibility in CI with Playwright and axe-core

How to test dark mode accessibility in CI with Playwright and axe-core

1
Comments 1
4 min read
My GSoC 2026 Mid-Term: How Building Webpack's Blog Led Me to Patch Node.js Core Tools đź‘€

My GSoC 2026 Mid-Term: How Building Webpack's Blog Led Me to Patch Node.js Core Tools đź‘€

2
Comments
5 min read
How to Fix 'Cannot Read Properties of Undefined' (Without Losing Your Mind)

How to Fix 'Cannot Read Properties of Undefined' (Without Losing Your Mind)

5
Comments 4
3 min read
Building a 100/100 Mobile Speed Net Worth Calculator with Astro & Tailwind

Building a 100/100 Mobile Speed Net Worth Calculator with Astro & Tailwind

Comments 1
1 min read
1,756 hand drawn icons, and nobody drew them

1,756 hand drawn icons, and nobody drew them

5
Comments
3 min read
Fable 5 Creates Playable 3D Worlds: Underwater Manhattan, Living Paintings, and 63 Three.js Experiments

Fable 5 Creates Playable 3D Worlds: Underwater Manhattan, Living Paintings, and 63 Three.js Experiments

1
Comments
8 min read
React Doctor marcĂł 1,249 problemas en una SPA de React. Cinco valĂ­an la pena arreglar

React Doctor marcĂł 1,249 problemas en una SPA de React. Cinco valĂ­an la pena arreglar

Comments
9 min read
Designing a Multi-Agent AI Architecture for SiteGen AI

Designing a Multi-Agent AI Architecture for SiteGen AI

1
Comments
3 min read
How to Prevent XSS Attacks: Output Encoding, CSP & DOMPurify (2026 Cheatsheet)

How to Prevent XSS Attacks: Output Encoding, CSP & DOMPurify (2026 Cheatsheet)

1
Comments
7 min read
Stop validating emails with regex: here's what to do instead

Stop validating emails with regex: here's what to do instead

Comments
2 min read
How to Build a Text Case Converter That Actually Handles Edge Cases

How to Build a Text Case Converter That Actually Handles Edge Cases

Comments
4 min read
idmix: A Better Alternative to Sqids for Structured Access Keys

idmix: A Better Alternative to Sqids for Structured Access Keys

1
Comments 1
3 min read
I built a VAT/GST invoice generator with zero backend — here's how

I built a VAT/GST invoice generator with zero backend — here's how

2
Comments 1
3 min read
TypeScript 6.0 Type-Only Imports Are Now Enforced: What `verbatimModuleSyntax` Actually Breaks in Real Codebases

TypeScript 6.0 Type-Only Imports Are Now Enforced: What `verbatimModuleSyntax` Actually Breaks in Real Codebases

Comments
10 min read
đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.