onCopy property
Callback for when the user copies the content of an element
Implementation
@override
ClipboardEventCallback? get onCopy =>
    (props[_$key__onCopy___$UbiquitousDomPropsMixin] ?? null)
        as ClipboardEventCallback?;Callback for when the user copies the content of an element
Implementation
@override
set onCopy(ClipboardEventCallback? value) =>
    props[_$key__onCopy___$UbiquitousDomPropsMixin] = value;