OptionaldoIf this is not specified then native paste will still be attempted.
A method that allows or focus to be called. (and supports an addEventListener('focus'))
OptionalimportCreates a ReferenceableClipboardItem from native clipboard items (text, html, or images). This is used to
import external clipboard data into an 'internal clipboard' representation.
Native clipboard items.
Optionaloptions: ReferenceableClipboard.CopyOptions
Additional arguments for creating the ReferenceableClipboardItem.
A ReferenceableClipboardItem (or a Promise resolving to one) if successful;
null if the data cannot be converted or the operation should be aborted.
A clipboard target is an interface will read items from the clipboard.