576c0952_7_8_Drag_and_drop___HTML5__Target
[Event Name] dragover [Bubbles?] ✓ Bubbles [Cancelable?] ✓ Cancelable [dataTransfer] Empty [effectAllowed] Same as last event [dropEffect] Based on effectAllowed value [Default Action] Reset the current drag operation to "none" [Target] 
Current target element
7.8 Drag and drop — HTML5