# Universal Events Different from private events, universal events can be bound to most components.

Name	Parameter	Triggered when
touchstart	TouchEvent	The tapping starts
touchmove	TouchEvent	The tapping moves
touchcancel	TouchEvent	The tapping is interrupted
touchend	TouchEvent	The tapping ends
click	-	A component is clicked
longpress	-	A component is long pressed
swipe⁵⁺	SwipeEvent	A user quickly swipes on a component.

**Table 1** Attributes of the BaseEvent object

Attribute	Type	Description
type	string	Event type, such as click and longpress
timestamp	number	Timestamp when the event is triggered

**Table 2** Attributes of the TouchEvent object \(inherited from BaseEvent\)

Attribute	Type	Description
touches	Array<TouchInfo>	Attribute set of the touch event, including the information array of the touch points on the screen.
changedTouches	Array<TouchInfo>	Attribute set when a touch event occurs, including the information array of changed touch points on the screen. changedTouches has the same data format as touches and indicates touch point changes, such as from no touch point to newly generated touch points, from some touch points to no touch point, and location changes. For example, when the user's finger leaves the touchscreen, no data exists in the touches array, but changedTouches will save the generated data.

**Table 3** Attributes of the TouchEvent object

Attribute	Type	Description
globalX	number	Horizontal distance from the upper left corner of the screen (excluding the status bar). The upper left corner of the screen acts as the coordinate origin.
globalY	number	Vertical distance from the upper left corner of the screen (excluding the status bar). The upper left corner of the screen acts as the coordinate origin.
localX	number	Horizontal distance from the upper left corner of the touched component. The upper left corner of the component acts as the coordinate origin.
localY	number	Vertical distance from the upper left corner of the touched component. The upper left corner of the component acts as the coordinate origin.
size	number	Touch area.

**Table 4** Attributes of the SwipeEvent object \(inherited from BaseEvent\)

Attribute	Type	Description
direction	string	Swiping direction. The value can be one of the following: left: Swipe from right to left right: Swipe from left to right up: Swipe upwards down: Swipe downwards

Attribute

Type

Description

direction

string

Swiping direction. The value can be one of the following: