SVGMarkerElement.markerHeight

The markerHeight read-only property of the SVGMarkerElement interface returns an SVGAnimatedLength object containing the height of the <marker> viewport as defined by the markerHeight attribute.

Syntax

let height = SVGMarkerElement.markerHeight;

Value

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

Examples

The markerHeight property returns an SVGAnimatedLength which contains an SVGLength with the value of the markerHeight 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.markerHeight.baseVal.value); // 6

Specifications

Browser compatibility