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<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Scroll Anchoring: Anchor node can be an empty inline-block</title>
<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
<link rel="author" title="Mozilla" href="https://mozilla.org">
<link rel="help" href="https://drafts.csswg.org/css-scroll-anchoring/#anchor-node-selection">
<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/4247">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1540203">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
body { height: 4000px }
#ib1, #ib2 { display: inline-block; height: 100px; width: 100% }
</style>
<span id=ib1></span>
<br><br>
<span id=ib2></span>
<script>
// Tests anchoring to an empty inline-block.
test(() => {
document.scrollingElement.scrollTop = 150;
document.querySelector("#ib1").style.height = "150px";
assert_equals(document.scrollingElement.scrollTop, 200);
}, "Anchor selection can select empty inline-blocks");
</script>
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