getAsString
The DataTransferItem.getAsString() method invokes the given callback with the drag data item's string data as the argument if the item's DataTransferItem.kind is a Plain unicode string (i.e., kind is string).
The DataTransferItem.getAsString() method invokes the given callback with the drag data item's string data as the argument if the item's DataTransferItem.kind is a Plain unicode string (i.e., kind is string).