Element: gesturestart event

Syntax

Use the event name in methods like addEventListener(), or set an event handler property.

addEventListener("gesturestart", (event) => { })
ongesturestart = (event) => { }

Event type

A GestureEvent. Inherits from Event.

Event properties

This interface also inherits properties of its parents, UIEvent and Event.

GestureEvent.rotation Read 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.

GestureEvent.scale Read 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.

Specifications

Not part of any specification.

Browser compatibility

See also

• GestureEventClassReference at the Safari Developer Library