custom-elements/reactions/HTMLStyleElement.html

<!DOCTYPE html>
<title>Custom Elements: CEReactions on HTMLStyleElement interface</title>
<link rel="author" title="Intel" href="http://www.intel.com">
<meta name="assert" content="media of HTMLStyleElement interface must have CEReactions">
<meta name="help" content="https://html.spec.whatwg.org/#the-style-element">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../resources/custom-elements-helpers.js"></script>
<script src="./resources/reactions.js"></script>

<script>

function getParentElement() {
  return document.head;
}

testReflectAttributeWithParentNode(
  'media', 'media', 'print',
  'screen', 'media on HTMLStyleElement', 'style',
  getParentElement, HTMLStyleElement
);

</script>