This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The height read-only property of the SVGSVGElement interface describes the vertical size of element as an SVGAnimatedLength. It reflects the <svg> element's height attribute, which may not be the SVG's rendered height.
The CSS height property takes precedence over the <svg> element's height attribute, so the value may not reflect the element's appearance. If both the viewBox and height attributes are omitted, the height property reflects that actual height.
const svg = document.querySelector("svg");
const verticalSize = svg.height;
console.dir(verticalSize.baseVal.value); // the `height` value
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
height |
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/SVGSVGElement/height