SVGEllipseElement

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 SVGEllipseElement interface provides access to the properties of <ellipse> elements.

Instance properties

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.

Instance methods

Inherits methods from its parent interface, SVGGeometryElement.

Example

SVG

html

<svg width="200" height="200" xmlns="http://www.w3.org/2000/svg">
  <ellipse cx="100" cy="100" rx="100" ry="60" id="ellipse" />
</svg>

JavaScript

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);

Result

Specifications

Specification
Scalable Vector Graphics (SVG) 2 # InterfaceSVGEllipseElement

Browser compatibility

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This page was last modified on ⁨Jun 19, 2025⁩ by MDN contributors.

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