The nonstandard way to access the element that the mouse goes
to in the case of a mouseout event.
This member is deprecated and not cross-browser compatible; use relatedTarget to get the same information in the standard way.
Source
@DomName('MouseEvent.toElement')
@DocsEditable()
@deprecated
Node get toElement => _blink.BlinkMouseEvent.instance.toElement_Getter_(this);