#import // https://w3c.github.io/screen-orientation/#orientationtype-enum enum OrientationType { "portrait-primary", "portrait-secondary", "landscape-primary", "landscape-secondary" }; // https://w3c.github.io/screen-orientation/#orientationlocktype-enum enum OrientationLockType { "any", "natural", "landscape", "portrait", "portrait-primary", "portrait-secondary", "landscape-primary", "landscape-secondary" }; // https://w3c.github.io/screen-orientation/#screenorientation-interface [Exposed=Window] interface ScreenOrientation : EventTarget { Promise lock(OrientationLockType orientation); undefined unlock(); readonly attribute OrientationType type; readonly attribute unsigned short angle; attribute EventHandler onchange; };