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.
Ready to Make Your Web App Speak? No External TTS API Required

Ready to Make Your Web App Speak? No External TTS API Required

Comments
5 min read
I built 59 free browser-based dev tools in vanilla JS — here's what I learned

I built 59 free browser-based dev tools in vanilla JS — here's what I learned

Comments
2 min read
SpiderMonkey: Firefox's JavaScript Engine — JIT Compilation, GC, and Performance Tips

SpiderMonkey: Firefox's JavaScript Engine — JIT Compilation, GC, and Performance Tips

Comments
4 min read
Do not guess which CSV column contains the URL

Do not guess which CSV column contains the URL

Comments
2 min read
I built a free GitHub profile README generator with no badge APIs, no backend and a 3D contribution universe

I built a free GitHub profile README generator with no badge APIs, no backend and a 3D contribution universe

1
Comments
5 min read
Memahami JavaScript Destructuring di ES6

Memahami JavaScript Destructuring di ES6

Comments
5 min read
Debugging CORS in Firefox DevTools: Error Messages, Preflight Analysis, and Fixes

Debugging CORS in Firefox DevTools: Error Messages, Preflight Analysis, and Fixes

Comments
4 min read
Content Security Policy in Firefox: Implementation, Debugging, and Nonce-Based CSP

Content Security Policy in Firefox: Implementation, Debugging, and Nonce-Based CSP

Comments
4 min read
Building Firefox Extensions: WebExtensions API Getting Started Guide

Building Firefox Extensions: WebExtensions API Getting Started Guide

Comments
3 min read
I built Castov – 900+ Offline-First Developer Tools, Terminal Error Healer & VS Code Extension (Zero Telemetry) published: true

I built Castov – 900+ Offline-First Developer Tools, Terminal Error Healer & VS Code Extension (Zero Telemetry) published: true

Comments
1 min read
React Query Best Practices: Build Faster and More Reliable React Apps

React Query Best Practices: Build Faster and More Reliable React Apps

Comments
5 min read
I'm 13 and I built a free calorie tracker. It's live, and here's everything that broke.

I'm 13 and I built a free calorie tracker. It's live, and here's everything that broke.

2
Comments
2 min read
Debugging Service Workers in Firefox: DevTools, about:debugging, and Common Issues

Debugging Service Workers in Firefox: DevTools, about:debugging, and Common Issues

Comments
3 min read
Firefox-Specific WebExtensions APIs: What You Can Do in Firefox But Not Chrome

Firefox-Specific WebExtensions APIs: What You Can Do in Firefox But Not Chrome

Comments
3 min read
Firefox Debugger Deep Dive: Conditional Breakpoints, Logpoints, and XHR Tracing

Firefox Debugger Deep Dive: Conditional Breakpoints, Logpoints, and XHR Tracing

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