This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The value read-only property of the SVGNumber interface represents the number.
A float.
value property<svg xmlns="http://www.w3.org/2000/svg" width="200" height="200"> <circle id="myCircle" cx="100" cy="100" r="50" fill="blue" /> </svg>
const circleElement = document.getElementById("myCircle");
// Access the radius (r) value property
const radiusValue = circleElement.r.baseVal.value;
console.log(radiusValue); // Output: 50
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
value |
1 | 12 | 1.5 | ≤12.1 | 3 | 18 | 4 | ≤12.1 | 1 | 1.0 | 4.4 | 1 |
© 2005–2025 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/SVGNumber/value