alpha
The rotation, in degrees, of the device frame around its z-axis.
Declaration
readonly attribute unrestricted double alpha;Discussion
Values are between 0 and 360. This property is null if the device cannot provide this angle.
The rotation, in degrees, of the device frame around its z-axis.
readonly attribute unrestricted double alpha;Values are between 0 and 360. This property is null if the device cannot provide this angle.