File: document-element-computed-style.html

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<!DOCTYPE html>
<html style="display:none">

<link rel=author href="mailto:jarhar@chromium.org">
<link rel=help href="https://bugs.chromium.org/p/chromium/issues/detail?id=1251931">

<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>

<div style="content-visibility:hidden"></div>

<script>
test(() => {
  document.documentElement.offsetTop;
  document.documentElement.style.display = "block";
  assert_equals(getComputedStyle(document.documentElement).color, 'rgb(0, 0, 0)');
}, `Verifies that ComputedStyle gets updated when the documentElement's style is dirtied in the presence of content-visibility.`);
</script>