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firefox/testing/web-platform/tests/css/css-pseudo/highlight-custom-properties-dynamic-001.html
Daniel Baumann 5e9a113729
Adding upstream version 140.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-25 09:37:52 +02:00

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HTML

<!DOCTYPE html>
<meta charset="UTF-8">
<title>CSS Pseudo Test: Dynamic Custom Properties for Highlights</title>
<link rel="help" href="https://drafts.csswg.org/css-pseudo/#highlight-styling">
<link rel="match" href="highlight-custom-properties-dynamic-001-ref.html">
<link rel="author" title="Stephen Chenney" href="mailto:schenney@igalia.com">
<meta name="assert" value="Custom property values in highlights update correctly when the property is updated.">
<head>
<style>
div {
--background-color: red;
}
::selection {
background-color: var(--background-color, red);
}
</style>
</head>
<div id="originating">Green background when selected</div>
<script>
window.getSelection().selectAllChildren(document.body);
requestAnimationFrame(() => {
requestAnimationFrame(() => {
originating.style.setProperty("--background-color", "green");
requestAnimationFrame(() => takeScreenshot());
});
});
</script>
</html>