This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The setOrientToAngle() method of the SVGMarkerElement interface sets the value of the orient attribute to the value in the SVGAngle passed in.
setOrientToAngle(angle)
None (undefined).
In the following example the value of the orient attribute is updated using setOrientToAngle() using an SVGAngle created using SVGSVGElement.createSVGAngle().
<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="90">
<path d="M 0 0 L 10 5 L 0 10 z" />
</marker>
</defs>
</svg>
let svg = document.getElementById("svg");
let marker = document.getElementById("arrow");
console.log(marker.orientAngle.baseVal.value); // value in SVG above - 90
let angle = svg.createSVGAngle();
angle.value = "110";
marker.setOrientToAngle(angle);
console.log(marker.orientAngle.baseVal.value); // new value - 110
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
setOrientToAngle |
1 | 12 | 1.5 | ≤12.1 | 3 | 18 | 4 | ≤12.1 | 1 | 1.0 | 3 | 1 |
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https://developer.mozilla.org/en-US/docs/Web/API/SVGMarkerElement/setOrientToAngle