SVGMarkerElement: markerWidth property

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

Value

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

Examples

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

Specifications

Browser compatibility