Build, test, scale and more all from one place. – this week, Mozilla’s released Firefox Developer Edition: a browser packed with developer-friendly features like WebIDE, Valence for cross-browser debugging, Responsive Design View and more.
WebIDE is the replacement for App Manager and lets you build fully functioning applications from your browser or Firefox OS device. Responsive Design View lets you see your app or website as you resize it for different platforms and Valence lets you debug for different browsers, including Chrome and Safari. Other handy tools we’ve seen before like Page Inspector, Web Console, and Web Audio Editor are included as well.