SVGAnimationElement: repeatEvent event

The repeatEvent event of the SVGAnimationElement interface is fired when the element's local timeline repeats. It will be fired each time the element repeats, after the first iteration.

Note: Associated with the repeatEvent event is an integer that indicates which repeat iteration is beginning; this can be found in the detail property of the event object. The value is a 0-based integer, but the repeat event is not raised for the first iteration and so the observed values will be >= 1. This is supported in Firefox, but not in Chrome.

Bubbles No
Cancelable No
Interface TimeEvent
Event handler property onrepeat


Animated circle

<svg xmlns="" width="300px" height="100px">
  <title>SVG SMIL Animate with Path</title>
  <circle cx="0" cy="50" r="50" fill="blue" stroke="black" stroke-width="1">
       path="M 0 0 H 300 Z"
       dur="5s" repeatCount="indefinite" />



ul {
  height: 100px;
  border: 1px solid #ddd;
  overflow-y: scroll;
  padding: 10px 30px;
let svgElem = document.querySelector('svg');
let animateElem = document.querySelector('animateMotion');
let list = document.querySelector('ul');

animateElem.addEventListener('beginEvent', () => {
  let listItem = document.createElement('li');
  listItem.textContent = 'beginEvent fired';

animateElem.addEventListener('repeatEvent', (e) => {
  let listItem = document.createElement('li');
  let msg = 'repeatEvent fired';
  if(e.detail) {
    msg += '; repeat number: ' + e.detail;
  listItem.textContent = msg;

Event handler property equivalent

Note that you can also create an event listener for the repeat event using the onrepeat event handler property:

animateElem.onrepeat = () => {
  console.log('repeatEvent fired');


Specification Status Comment
Scalable Vector Graphics (SVG) 2
The definition of 'repeatEvent' in that specification.
Candidate Recommendation Initial definition

Browser compatibility

Update compatibility data on GitHub
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
repeatEvent eventChrome Full support YesEdge Full support 79Firefox Full support YesIE No support NoOpera Full support YesSafari Full support YesWebView Android Full support YesChrome Android Full support YesFirefox Android ? Opera Android ? Safari iOS ? Samsung Internet Android Full support Yes


Full support  
Full support
No support  
No support
Compatibility unknown  
Compatibility unknown

See also