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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /scroll-animations/crashtests/remove-pseudo-element-subject.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html class="test-wait">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Remove a pseudo-element subject from a view timeline</title>
</head>
<style>
@keyframes anim {
from { background-color: green; }
to { background-color: blue; }
}
#target:before {
content: "Hi";
border: 1px solid;
display: block;
width: 100px;
height: 100px;
background-color: lightgoldenrodyellow;
animation: anim linear;
animation-timeline: view();
}
#container {
height: 300px;
width: 300px;
overflow: scroll;
}
.spacer {
height: 200px;
}
</style>
<body>
<div id="container">
<div class="spacer"></div>
<div id="target"></div>
<div class="spacer"></div>
</div>
</body>
<script>
window.onload = async () => {
const anim = document.getAnimations()[0];
const timeline = anim.timeline;
await anim.ready;
target.remove();
timeline.subject;
document.documentElement.classList.remove('test-wait');
};
</script>
</html>