num width

Source 

@DomName('VTTRegion.width')
@DocsEditable()
@Experimental() // untriaged
num get width => _blink.BlinkVTTRegion.instance.width_Getter_(this);
void width=(num value)

Source 

@DomName('VTTRegion.width')
@DocsEditable()
@Experimental() // untriaged
set width(num value) =>
    _blink.BlinkVTTRegion.instance.width_Setter_(this, value);