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<!DOCTYPE html>
<html class="reftest-wait">
<meta charset="utf-8">
<title>backdrop-filter: Correctly repaint added backdrop-filter</title>
<link rel="author" href="mailto:pdr@chromium.org">
<link rel="help" href="https://drafts.fxtf.org/filter-effects-2/#BackdropFilterProperty">
<link rel="match" href="reference/repaint-added-backdrop-filter-ref.html">
<script src="/common/reftest-wait.js"></script>
<p>Expected: A black box.</p>
<div id="filter"></div>
<style>
#filter {
width: 100px;
height: 100px;
backdrop-filter: none;
will-change: opacity;
}
</style>
<script>
function doTest() {
requestAnimationFrame(function() {
requestAnimationFrame(function() {
document.getElementById('filter').style.backdropFilter = 'invert(1)';
takeScreenshot();
});
});
}
window.addEventListener('load', doTest, false);
</script>
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