actually, they are most likely using part of the new drag and drop API in HTML5. firefox and chrome both provide a `ev.originalEvent.dataTransfer` object as part of the DragEvent interface. additionally (and…
actually, they are most likely using part of the new drag and drop API in HTML5. firefox and chrome both provide a `ev.originalEvent.dataTransfer` object as part of the DragEvent interface. additionally (and…