Where to go for developer support

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If you're a developer, you'll find what you need on MDN Web Docs. MDN offers documentation, demos, and a Q&A forum where you can ask questions and interact with other developers.

The following pages are a good place to start if you need help:

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

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