clearData method

void clearData([
  1. String format
])

The DataTransfer.clearData() method removes the drag operation's DataTransfer for the given type. If data for the given type does not exist, this method does nothing.

If this method is called with no arguments or the format is an empty string, the data of all types will be removed.

This method does not remove files from the drag operation, so it's possible for there still to be an entry with the type "Files" left in the object's DataTransfer.types list if there are any files included in the drag.

Note: This method can only be used in the handler for the HTMLElement.dragstart_event event, because that's the only time the drag operation's data store is writable.

Implementation

external void clearData([String format]);