This API is available on Firefox OS for internal applications only.
Summary
Specifies an event listener to receive hfpstatuschanged events. Those events occur when an HFP connection status changes.
Syntax
instanceOfBluetoothAdapter.onhfpstatuschanged = funcRef
Where funcRef is a function to be called when the hfpstatuschanged event occurs. That function gets a BluetoothStatusChangedEvent object as its first parameter.
Specification
Not part of any specification yet. It should be discussed as part of the W3C's System Applications Working Group.