
Valence also extends the awesome tools built to debug Firefox OS and Firefox for Android to the other major mobile browsers including Chrome on Android and Safari on iOS. Previously called Firefox Tools Adapter, Valence lets you develop and debug your app across multiple browsers and devices by connecting the Firefox developer tools to other major browser engines. You can watch a video about Web IDE on YouTube here. It is one click to run the app in a simulator and one more to debug it with the developer tools. It lets you create a new Firefox OS app (which is just a web app) from a template or open up the code of an existing app. Web IDE allows you to develop, deploy, and debug web apps directly in your browser or on a Firefox OS device. Some features built into the Firefox Developer Edition that the regular version does not have are:

That does mean that all your add-ons and settings will not be available in the Firefox Developer Edition, but you can use Firefox Sync to get your add-ons and settings synchronized on both versions.Īll features in the Firefox Developer Edition will be available 12 weeks before they are available in the regular version of Firefox. It also uses a separate profile from the regular version so that running them side-by-side is an option. The Firefox Developer Edition is a modified version of Firefox that is specifically designed for web developers. SuperUser contributors blade19899 and Dave have the answer for us. Merging two GitHub repositories without losing commit history are the differences between the regular and developer editions of Firefox? The Answer The 100% Markdown Expedition 2 months ago Revamp of MDN Web Docs Contribution Docs 9 days ago

The examples provided should give you some clear ideas about what you can do with canvas, and will provide code snippets that may get you started in building your own content. This tutorial describes how to use the element to draw 2D graphics, starting with the basics.
