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SVGMarkerElement: markerHeight property

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.

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.

html

<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

Specification
Scalable Vector Graphics (SVG) 2 # __svg__SVGMarkerElement__markerHeight

Browser compatibility

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`markerHeight`	1	12	1.5	9	≤12.1	3	3	18	4	≤12.1	1	1.0

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https://developer.mozilla.org/en-US/docs/Web/API/SVGMarkerElement/markerHeight