SVGMarkerElement: refX property
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The refX read-only property of the SVGMarkerElement interface returns an SVGAnimatedLength object containing the value of the refX attribute of the <marker>.
Value
An SVGAnimatedLength object. The baseVal property of this object returns an SVGLength, the value of which returns the refX.
Examples
The markerWidth property returns an SVGAnimatedLength which contains an SVGLength with the value of the refX 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.refX.baseVal.value); // 5
Specifications
| Specification |
|---|
| Scalable Vector Graphics (SVG) 2 # __svg__SVGMarkerElement__refX |
Browser compatibility
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