According to the MDN docs, `read` and `write` should be in terms of a `js.Array[ClipboardItem]`. But that's not what a `DataTransfer` is ... https://developer.mozilla.org/en-US/docs/Web/API/Clipboard https://github.com/scala-js/scala-js-dom/blob/51a807cc04ea134ece030d6d4005a8ce30c1de99/dom/src/main/scala/org/scalajs/dom/Clipboard.scala#L28 https://github.com/scala-js/scala-js-dom/blob/51a807cc04ea134ece030d6d4005a8ce30c1de99/dom/src/main/scala/org/scalajs/dom/Clipboard.scala#L41