A list of DataTransferItem objects representing items being dragged. During a drag operation, each DragEvent has a dataTransfer property and that property is a DataTransferItemList.
MDN Reference
Readonly
Returns the number of items in the drag data store.
Adds a new entry for the given data to the drag data store. If the data is plain text then a type string has to be provided also.
Removes all the entries in the drag data store.
Removes the indexth entry in the drag data store.
A list of DataTransferItem objects representing items being dragged. During a drag operation, each DragEvent has a dataTransfer property and that property is a DataTransferItemList.
MDN Reference