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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-view-transitions/shadow-part-with-class-inside-shadow-important.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html class=reftest-wait>
<title>View transitions: shadow parts </title>
<link rel="match" href="names-are-tree-scoped-ref.html">
<script src="/common/reftest-wait.js"></script>
<style>
div {
width: 100px;
height: 100px;
background: red;
}
::part(party) {
view-transition-name: party;
view-transition-class: red;
}
:root { view-transition-name: none; }
html::view-transition-group(*) { animation-play-state: paused; }
html::view-transition-old(*) { animation: unset; opacity: 0 }
html::view-transition-new(*) { animation: unset; opacity: 0 }
html::view-transition-group(party) {
position: absolute;
width: 100px;
height: 100px;
background: green;
}
html::view-transition-group(party.red) {
background: red;
}
</style>
<custom-component>
<template shadowrootmode="open">
<style>
div {
width: 100px;
height: 100px;
}
</style>
<div part="party" style="view-transition-class: none !important"></div>
</template>
</custom-component>
<script>
failIfNot(document.startViewTransition, "Missing document.startViewTransition");
function runTest() {
document.startViewTransition().ready.then(takeScreenshot);
}
onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
</script>
</body>