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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.

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>

js

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

Specifications

Specification
Scalable Vector Graphics (SVG) 2
# __svg__SVGMarkerElement__refY

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
refY 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/refY