576c0952_7_8_Drag_and_drop___HTML5__Target
[Event Name] dragstart [Bubbles?] ✓ Bubbles [Cancelable?] ✓ Cancelable [dataTransfer] Contains source node unless a selection is being dragged, in which case it is empty; files returns any files included in the drag operation [effectAllowed] uninitialized [dropEffect] none [Default Action] Initiate the drag-and-drop operation [Target] 
Source node
7.8 Drag and drop — HTML5