Class type Chartjs.rectangleElement
method borderColor : Color.t Js_of_ocaml.Js.t Js_of_ocaml.Js.propBar stroke color.
method borderSkipped : Position.t Js_of_ocaml.Js.t Js_of_ocaml.Js.propSkipped (excluded) border: 'bottom', 'left', 'top' or 'right'.