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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-contain/content-visibility/content-visibility-057.html - WPT Dashboard Interop Dashboard
<!doctype HTML>
<html class="reftest-wait">
<meta charset="utf8">
<title>Content Visibility: hidden subtree becomes auto in the viewport</title>
<link rel="author" title="Vladimir Levin" href="mailto:vmpstr@chromium.org">
<link rel="match" href="container-with-child-ref.html">
<meta name="assert" content="hidden subtree becomes auto and then paints">
<script src="/common/reftest-wait.js"></script>
<style>
#container {
width: 150px;
height: 150px;
background: lightblue;
}
#child {
width: 50px;
height: 50px;
background: green;
}
.auto { content-visibility: auto; }
.hidden { content-visibility: hidden; }
</style>
<div id=container class=hidden>
Test passes if you can see this text and a green box.
<div id=child></div>
</div>
<script>
function runTest() {
document.getElementById("container").classList.remove("hidden");
document.getElementById("container").classList.add("auto");
requestAnimationFrame(takeScreenshot);
}
window.onload = requestAnimationFrame(() => {
requestAnimationFrame(() => {
requestAnimationFrame(() => {
runTest();
});
});
});
</script>
</html>