layout/reftests/css-animations/animation-initially-out-of-view-with-delay.html


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<!DOCTYPE html>
<html class="reftest-wait reftest-no-flush">
<title>Bug 1383239</title>
<style>
div {
 position: absolute;
 left: -9999px;
 background: orange;
 width: 20px;
 height: 20px;
 animation: anim 100s 0.1s infinite;
}

@keyframes anim {
 0% {
  left: 0px;
 }
 100% {
  left: 0px;
 }
}
</style>
<div></div>
<script>
document.querySelector('div').addEventListener('animationstart', ()=> {
  document.documentElement.classList.remove('reftest-wait');
});
</script>
</html>