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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-animations/animation-restarted-after-changing-iteration-count-after-completion.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Setting 'animation-iteration-count: infinite' after a CSS Animation is completed restarts the animation</title>
<style>
@keyframes anim {
to { margin-left: 100px }
}
</style>
</head>
<body>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<div id="target"></div>
<script>
promise_test(async test => {
const target = document.getElementById("target");
target.style.animation = "anim 0.1s linear";
const initialAnimations = target.getAnimations();
assert_equals(initialAnimations.length, 1, "An animation runs initially.");
await initialAnimations[0].finished;
assert_equals(target.getAnimations().length, 0, "An animation no longer runs after its completion.");
await new Promise(setTimeout);
target.style.animationIterationCount = "infinite";
assert_equals(target.getAnimations().length, 1, "An animation runs again once animation-iteration-count is set.");
}, "Setting 'animation-iteration-count: infinite' after a CSS Animation is completed restarts the animation.");
</script>
</body>
</html>