String dirName

Source 

@DomName('HTMLTextAreaElement.dirName')
@DocsEditable()
// http://www.whatwg.org/specs/web-apps/current-work/multipage/the-button-element.html#dom-textarea-dirname
@Experimental()
String get dirName =>
    _blink.BlinkHTMLTextAreaElement.instance.dirName_Getter_(this);
void dirName=(String value)

Source 

@DomName('HTMLTextAreaElement.dirName')
@DocsEditable()
// http://www.whatwg.org/specs/web-apps/current-work/multipage/the-button-element.html#dom-textarea-dirname
@Experimental()
set dirName(String value) =>
    _blink.BlinkHTMLTextAreaElement.instance.dirName_Setter_(this, value);