css/css-scroll-anchoring/inline-block.html

<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>

body { height: 4000px }
#outer { line-height: 100px }
#ib1, #ib2 { display: inline-block }

</style>
<span id=outer>
  <span id=ib1>abc</span>
  <br><br>
  <span id=ib2>def</span>
</span>
<script>

// Tests anchoring to an inline block inside a <span>.

test(() => {
  document.scrollingElement.scrollTop = 150;
  document.querySelector("#ib1").style.lineHeight = "150px";
  assert_equals(document.scrollingElement.scrollTop, 200);
}, "Anchor selection descent into inline blocks.");

</script>