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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-view-transitions/root-to-shared-animation-start.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html class=reftest-wait>
<link rel="author" href="mailto:vmpstr@chromium.org">
<link rel="match" href="root-to-shared-animation-start-ref.html">
<script src="/common/reftest-wait.js"></script>
<style>
body {
background: lightgreen;
padding: 0;
margin: 0;
}
#box {
width: 100px;
height: 120px;
background: blue;
contain: paint;
}
html::view-transition-group(*) { animation-delay: 300s; }
html::view-transition-new(*) { animation: unset; opacity: 0; }
html::view-transition-old(*) { animation: unset; opacity: 1; }
</style>
<div id=box></div>
<script>
failIfNot(document.startViewTransition, "Missing document.startViewTransition");
async function runTest() {
document.startViewTransition(() => {
document.documentElement.style.viewTransitionName = "none";
box.style.viewTransitionName = "root";
// We should not see the "live" body at all.
document.body.style.background = "red";
requestAnimationFrame(() => requestAnimationFrame(takeScreenshot));
});
}
onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
</script>