onDragOver property
@DocsEditable(), @DomName('Element.ondragover')
A stream of dragover
events fired when a dragged object is currently
being dragged over this element.
Other resources
Drag and drop sample based on the tutorial from HTML5Rocks. Drag and drop specification from WHATWG.
Implementation
@DomName('Element.ondragover')
@DocsEditable()
ElementStream<MouseEvent> get onDragOver;