touchcancel

touchcancel 觸控點發生失效的事件被觸發(例如太多觸控點時)

一般資訊

規範

Touch Events

介面

TouchEvent

起泡事件

是

可取消

否

對象

Document, Element

預設行為

無

屬性

Property Type Description
target Read only EventTarget The event target (the topmost target in the DOM tree).
type Read only DOMString The type of event.
bubbles Read only Boolean Whether the event normally bubbles or not.
cancelable Read only Boolean Whether the event is cancellable or not.
view Read only WindowProxy document.defaultView (window of the document)
detail Read only long (float) 0.
touches Read only TouchList A list of Touches for every point of contact currently touching the surface.
targetTouches Read only TouchList A list of Touches for every point of contact that is touching the surface and started on the element that is the target of the current event.
changedTouches Read only TouchList A list of Touch (en-US)es for every point of contact which contributed to the event. For the touchstart event this must be a list of the touch points that just became active with the current event. For the touchmove event this must be a list of the touch points that have moved since the last event. For the touchend and touchcancel events this must be a list of the touch points that have just been removed from the surface.
ctrlKey Read only boolean true if the control key was down when the event was fired. false otherwise.
shiftKey Read only boolean true if the shift key was down when the event was fired. false otherwise.
altKey Read only boolean true if the alt key was down when the event was fired. false otherwise.
metaKey Read only boolean true if the meta key was down when the event was fired. false otherwise.

範例

各種觸控事件的範例：Touch events (en-US)。

規範

Specification
Touch Events
# event-touchcancel
Touch Events
# dom-globaleventhandlers-ontouchcancel

瀏覽器相容性

BCD tables only load in the browser

相關事件

ontouchcancel (en-US)