SVGMarkerElement: refY property

The refY read-only property of the SVGMarkerElement interface returns an SVGAnimatedLength object containing the value of the refY attribute of the <marker>.

Value

An SVGAnimatedLength object. The baseVal property of this object returns an SVGLength, the value of which returns the refY.

Examples

The markerWidth property returns an SVGAnimatedLength which contains an SVGLength with the value of the refY attribute.

<svg id="svg" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg">
  <defs>
    <marker
      id="arrow"
      viewBox="0 0 10 10"
      refX="5"
      refY="5"
      markerWidth="6"
      markerHeight="6"
      orient="auto-start-reverse">
      <path d="M 0 0 L 10 5 L 0 10 z" />
    </marker>
  </defs>
</svg>

let marker = document.getElementById("arrow");
console.log(marker.refY.baseVal.value); // 5

Specifications

Browser compatibility