String selectionDirection

Source 

@DomName('HTMLTextAreaElement.selectionDirection')
@DocsEditable()
String get selectionDirection =>
    _blink.BlinkHTMLTextAreaElement.instance.selectionDirection_Getter_(this);
void selectionDirection=(String value)

Source 

@DomName('HTMLTextAreaElement.selectionDirection')
@DocsEditable()
set selectionDirection(String value) =>
    _blink.BlinkHTMLTextAreaElement.instance
        .selectionDirection_Setter_(this, value);