I\'ve been looking into packaged apps for Firefox OS and I\'m relying on the Simulator since I don\'t have a build of the OS on a device. I\'m having trouble with XHR reque
Take a look on Rob Nyman Boilerplate, he have a working XHR demo
https://github.com/robnyman/Firefox-OS-Boilerplate-App
http://robnyman.github.com/Firefox-OS-Boilerplate-App/