This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The SVGEllipseElement interface provides access to the properties of <ellipse> elements.
Inherits methods from its parent interface, SVGGeometryElement.
SVGEllipseElement.cx Read only
This property returns an SVGAnimatedLength reflecting the cx attribute of the given <ellipse> element.
SVGEllipseElement.cy Read only
This property returns an SVGAnimatedLength reflecting the cy attribute of the given <ellipse> element.
SVGEllipseElement.rx Read only
This property returns an SVGAnimatedLength reflecting the rx attribute of the given <ellipse> element.
SVGEllipseElement.ry Read only
This property returns an SVGAnimatedLength reflecting the ry attribute of the given <ellipse> element.
Inherits methods from its parent interface, SVGGeometryElement.
<svg width="200" height="200" xmlns="http://www.w3.org/2000/svg"> <ellipse cx="100" cy="100" rx="100" ry="60" id="ellipse" /> </svg>
const ellipse = document.getElementById("ellipse");
function outputSize() {
// Outputs "horizontal radius: 100 vertical radius: 60"
console.log(
`horizontal radius: ${ellipse.rx.baseVal.valueAsString}`,
`vertical radius: ${ellipse.ry.baseVal.valueAsString}`,
);
}
ellipse.addEventListener("click", outputSize);
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
SVGEllipseElement |
1 | 12 | 1.5 | ≤12.1 | 3 | 18 | 4 | ≤12.1 | 1 | 1.0 | 3 | 1 |
cx |
1 | 12 | 1.5 | ≤12.1 | 3 | 18 | 4 | ≤12.1 | 1 | 1.0 | 3 | 1 |
cy |
1 | 12 | 1.5 | ≤12.1 | 3 | 18 | 4 | ≤12.1 | 1 | 1.0 | 3 | 1 |
rx |
1 | 12 | 1.5 | ≤12.1 | 3 | 18 | 4 | ≤12.1 | 1 | 1.0 | 3 | 1 |
ry |
1 | 12 | 1.5 | ≤12.1 | 3 | 18 | 4 | ≤12.1 | 1 | 1.0 | 3 | 1 |
<ellipse> SVG Element
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https://developer.mozilla.org/en-US/docs/Web/API/SVGEllipseElement