Where to go for developer support

The following pages are a good place to start if you're a developer and need help:

• Get help with Firefox Developer Edition
• Explore Firefox DevTools User Docs.
• Explore MDN Web Docs. You'll find tutorials, tools and sample code for all skill levels. Here are just a few of the topics you'll find on MDN:
  1. Open Web technologies:
     • HTML
     • CSS
     • JavaScript
     • Document Object Model (DOM)
     • Web APIs
     • Graphics (SVG, WebGL, WebVR, WebXR)
     • Media (audio, video, streaming, WebRTC)
  2. The Mozilla platform:
     • Firefox test channels (Nightly, Developer Edition and Beta)
     • Firefox Developer Tools