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<!DOCTYPE html>
<html class=reftest-wait>
<title>View transitions: capture span elements</title>
<link rel="help" href="https://github.com/WICG/view-transitions">
<link rel="author" href="mailto:vmpstr@chromium.org">
<link rel="match" href="new-content-captures-positioned-spans-ref.html">
<script src="/common/reftest-wait.js"></script>
<style>
span {
background: lightblue;
view-transition-name: span;
position: fixed;
top: 50px;
left: 50px;
}
span.dst { background: lightgreen; }
/* We're verifying what we capture, so just display the new contents for 5 minutes. */
html::view-transition-group(*) { animation-duration: 300s; }
html::view-transition-new(*) { animation: unset; opacity: 1; }
html::view-transition-old(*) { animation: unset; opacity: 0; }
/* hide the root so we show transition background to ensure we're in a transition */
html::view-transition-group(root) { animation: unset; opacity: 0; }
html::view-transition { background: lightpink; }
</style>
<span id=target>This is a span</span>
<script>
failIfNot(document.startViewTransition, "Missing document.startViewTransition");
async function runTest() {
let t = document.startViewTransition(() => {
target.classList.add("dst");
requestAnimationFrame(() => requestAnimationFrame(takeScreenshot));
});
}
onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
</script>
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