web api interface
GestureEvent
The GestureEvent is a proprietary interface specific to WebKit which gives information regarding multi-touch gestures. Events using this interface include gesturestart, gesturechange, and gestureend.
Instance properties
This interface also inherits properties of its parents, UIEvent and Event.
rotationRead only- : Change in rotation (in degrees) since the event’s beginning. Positive values indicate clockwise rotation; negative values indicate counterclockwise rotation. Initial value:
0.0.
- : Change in rotation (in degrees) since the event’s beginning. Positive values indicate clockwise rotation; negative values indicate counterclockwise rotation. Initial value:
scaleRead only- : Distance between two digits since the event’s beginning. Expressed as a floating-point multiple of the initial distance between the digits at the beginning of the gesture. Values below 1.0 indicate an inward pinch (zoom out). Values above 1.0 indicate an outward unpinch (zoom in). Initial value:
1.0.
- : Distance between two digits since the event’s beginning. Expressed as a floating-point multiple of the initial distance between the digits at the beginning of the gesture. Values below 1.0 indicate an inward pinch (zoom out). Values above 1.0 indicate an outward unpinch (zoom in). Initial value:
Instance methods
This interface also inherits methods of its parents, UIEvent and Event.
initGestureEvent()- : Initializes the value of a
GestureEvent. If the event has already been dispatched, this method does nothing.
- : Initializes the value of a
Gesture event types
Specifications
Not part of any specification. Apple has a description at the Safari Developer Library.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.