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<!DOCTYPE html>
<html class=reftest-wait>
<head>
<title>View transitions: Transition from an empty iframe</title>
<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
<link rel="author" href="mailto:bokan@chromium.org">
<link rel="match" href="transition-in-empty-iframe-ref.html">
<meta name=fuzzy content="maxDifference=0-80; totalPixels=0-1000">
<script src="/common/reftest-wait.js"></script>
<style>
iframe {
position: absolute;
left: 25px;
top: 25px;
width: 50vw;
height: 50vh;
}
/* This div overlaps with the iframe, because the iframe is empty it should
* be visible behind the iframe. */
div {
background-color: skyblue;
width: 100px;
height: 100px;
}
</style>
<script>
failIfNot(document.startViewTransition, "Missing document.startViewTransition");
onload = () => {
requestAnimationFrame(()=>{requestAnimationFrame(()=> {
frames[0].window.startTransition();
frames[0].window.transition.ready.then(() => {
requestAnimationFrame(()=>{requestAnimationFrame(()=> {
takeScreenshot();
})});
});
})});
}
</script>
</head>
<body>
<iframe src="support/transition-in-empty-iframe-child.html">
</iframe>
<div></div>
</body>
</html>
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