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Test Info:
- Manifest: layout/reftests/scrolling/reftest.list
<!DOCTYPE html>
<html class="reftest-wait">
<style>
:root {
--child-width: 300px;
}
.scrollable {
overflow: scroll;
height: 100px;
width: 100px;
border: 2px solid black;
}
.scrollable::before {
display: block;
content: "content";
height: 300px;
width: var(--child-width);
}
</style>
<div class="scrollable"></div>
<div class="scrollable"></div>
<div class="scrollable"></div>
<script>
document.addEventListener('MozReftestInvalidate', () => {
document.documentElement.style.setProperty("--child-width", "0px");
document.documentElement.classList.remove("reftest-wait");
});
</script>
</html>