Convenience function that retrieves the floating point value stored in member_name of object. It is an error to specify a member_name which does not exist.
See also: json.object.ObjectWrap.getDoubleMemberWithDefault, json.object.ObjectWrap.getMember, json.object.ObjectWrap.hasMember
the name of the member
the floating point value of the object's member
Convenience function that retrieves the floating point value stored in member_name of object. It is an error to specify a member_name which does not exist.
See also: json.object.ObjectWrap.getDoubleMemberWithDefault, json.object.ObjectWrap.getMember, json.object.ObjectWrap.hasMember