num m21

Source 

@DomName('DOMMatrix.m21')
@DocsEditable()
@Experimental() // untriaged
num get m21 => _blink.BlinkDOMMatrix.instance.m21_Getter_(this);
void m21=(num value)

Source 

@DomName('DOMMatrix.m21')
@DocsEditable()
@Experimental() // untriaged
set m21(num value) => _blink.BlinkDOMMatrix.instance.m21_Setter_(this, value);