1. DomName('Path2D.quadraticCurveTo')
  2. DocsEditable()
  3. Experimental()
void quadraticCurveTo(num cpx, num cpy, num x, num y)

Source 

@DomName('Path2D.quadraticCurveTo')
@DocsEditable()
@Experimental() // untriaged
void quadraticCurveTo(num cpx, num cpy, num x, num y) => _blink.BlinkPath2D.instance.quadraticCurveTo_Callback_4_(this, cpx, cpy, x, y);