add method

DataTransferItem? add(
  1. JSAny data, [
  2. String type
])

The DataTransferItemList.add() method creates a new DataTransferItem using the specified data and adds it to the drag data list. The item may be a File or a string of a given type. If the item is successfully added to the list, the newly-created DataTransferItem object is returned.

Implementation

external DataTransferItem? add(JSAny data, [String type]);