Definition
Touch Events - Level 2 defines TouchInit
dictionary TouchInit {
required long identifier;
required EventTarget target;
double clientX = 0;
double clientY = 0;
double screenX = 0;
double screenY = 0;
double pageX = 0;
double pageY = 0;
float radiusX = 0;
float radiusY = 0;
float rotationAngle = 0;
float force = 0;
double altitudeAngle = 0;
double azimuthAngle = 0;
TouchType touchType = "direct";
};