1. @DomName('CanvasRenderingContext2D.quadraticCurveTo')
  2. @DocsEditable()
void quadraticCurveTo(num cpx, num cpy, num x, num y)

Source 

@DomName('CanvasRenderingContext2D.quadraticCurveTo')
@DocsEditable()
void quadraticCurveTo(num cpx, num cpy, num x, num y) =>
    _blink.BlinkCanvasRenderingContext2D.instance
        .quadraticCurveTo_Callback_4_(this, cpx, cpy, x, y);