SVGMarkerElement.markerUnits

The markerUnits read-only property of the SVGMarkerElement interface returns an SVGAnimatedEnumeration object. This object returns an integer which represents the keyword values that the markerUnits attribute accepts.

Syntax

let markerUnits = SVGMarkerElement.markerUnits;

Value

An SVGAnimatedEnumeration object. The baseVal property of this object contains one of the following values:

0

SVG_MARKERUNITS_UNKNOWN which means that the markerUnits attribute has a value other than the two predefined keywords.

1

SVG_MARKERUNITS_USERSPACEONUSE which means that the markerUnits attribute has the keyword value userSpaceOnUse.

2

SVG_MARKERUNITS_STROKEWIDTH which means that the markerUnits attribute has the keyword value strokeWidth.

Examples

The markerUnits property returns an SVGAnimatedEnumeration object that contains the value of the markerUnits 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"
        markerUnits="strokeWidth">
      <path d="M 0 0 L 10 5 L 0 10 z" />
    </marker>
  </defs>
</svg>

let marker = document.getElementById("arrow");
console.log(marker.markerUnits.baseVal); // 2

Specifications

Browser compatibility