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<!DOCTYPE HTML>
<html class="reftest-wait">
<title>The animation-timeline:none with preserved progress for print</title>
<link rel="help" href="https://drafts.csswg.org/css-animations-2/#animation-timeline">
<meta name="assert" content="print correctly for an animation with animation-timeline:none with preserved progress">
<link rel="match" href="animation-timeline-none-with-progress-ref.html">
<style>
@keyframes anim {
from { transform: translateX(0px); }
to { transform: translateX(100px); }
}
#scroller {
scroll-timeline: --timeline;
overflow: scroll;
width: 100px;
height: 100px;
scrollbar-width: none;
}
#contents {
height: 200px;
}
#box {
width: 100px;
height: 100px;
background-color: green;
animation: anim 1s linear timeline;
}
</style>
<div id="scroller">
<div id="contents"></div>
</div>
<div id="box"></div>
<script>
window.addEventListener('load', function() {
const scroller = document.getElementById("scroller");
// Move the scroller to the halfway point.
const maxScroll = scroller.scrollHeight - scroller.clientHeight;
scroller.scrollTop = 0.5 * maxScroll;
window.requestAnimationFrame(() => {
let box = document.getElementById("box");
box.style.animationTimeline = "none";
getComputedStyle(box).marginLeft;
window.requestAnimationFrame(() => {
document.documentElement.classList.remove("reftest-wait");
});
});
});
</script>
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