DragEvent

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DragEvent 介面是一種 DOM event,定義了拖放操作時產生的事件物件。The user initiates a drag by placing a pointer device (such as a mouse) on the touch surface and then dragging the pointer to a new location (such as another DOM element). Applications are free to interpret a drag and drop interaction in an application-specific way.

This interface inherits properties from MouseEvent and Event.

屬性

DragEvent.dataTransfer Read only
The data that is transferred during a drag and drop interaction.

建構式

Although this interface has a constructor, it is not possible to create a useful DataTransfer object from script, since DataTransfer objects have a processing and security model that is coordinated by the browser during drag-and-drops.

DragEvent()
Creates a synthetic and untrusted DragEvent.

事件類型

drag
This event is fired when an element or text selection is being dragged.
dragend
This event is fired when a drag operation is being ended (by releasing a mouse button or hitting the escape key).
dragenter
This event is fired when a dragged element or text selection enters a valid drop target.
dragexit
This event is fired when an element is no longer the drag operation's immediate selection target.
dragleave
This event is fired when a dragged element or text selection leaves a valid drop target.
dragover
This event is fired when an element or text selection is being dragged over a valid drop target (every few hundred milliseconds).
dragstart
This event is fired when the user starts dragging an element or text selection.
drop
This event is fired when an element or text selection is dropped on a valid drop target.

GlobalEventHandlers

GlobalEventHandlers.ondrag
A global event handler for the drag event.
GlobalEventHandlers.ondragend
A global event handler for the dragend event.
GlobalEventHandlers.ondragenter
A global event handler for the dragenter event.
GlobalEventHandlers.ondragexit
A global event handler for the dragexit event.
GlobalEventHandlers.ondragleave
A global event handler for the dragleave event.
GlobalEventHandlers.ondragover
A global event handler for the dragover event.
GlobalEventHandlers.ondragstart
A global event handler for the dragstart event.
GlobalEventHandlers.ondrop
A global event handler for the drop event.

範例

An Example of each property, constructor, event type and global event handlers is included in their respective reference page.

規範

Specification Status Comment
WHATWG HTML Living Standard
The definition of 'DragEvent' in that specification.
Living Standard  
HTML5.1
The definition of 'DragEvent' in that specification.
Working Draft Initial definition

瀏覽器相容性

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 4 3.5 (1.9.1) 10 12 3.1
Feature Android Android Webview Chrome for Android Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile
Basic support No support No support No support No support No support 10 No support No support

參見

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