File: scroll-no-layout-box.html

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<!DOCTYPE html>
<meta charset=utf-8>
<title>cssom-view - Scrolling element with no layout box</title>
<link rel="help" href="https://drafts.csswg.org/cssom-view/#dom-element-scroll">
<link rel="help" href="https://drafts.csswg.org/cssom-view/#css-layout-box">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>

<div style="display: none">
  <div id="elem"></div>
</div>

<script>
test(() => {
  const elem = document.getElementById('elem');
  elem.scroll(1, 2);

  assert_equals(elem.scrollTop, 0, "scrollTop should be unchanged");
  assert_equals(elem.scrollLeft, 0, "scrollLeft should be unchanged");
}, "scrolling an element with no CSS layout box should have no effect");
</script>