bool disabled

Source 

@DomName('HTMLButtonElement.disabled')
@DocsEditable()
bool get disabled =>
    _blink.BlinkHTMLButtonElement.instance.disabled_Getter_(this);
void disabled=(bool value)

Source 

@DomName('HTMLButtonElement.disabled')
@DocsEditable()
set disabled(bool value) =>
    _blink.BlinkHTMLButtonElement.instance.disabled_Setter_(this, value);