Codebase Browser
chromium
Go to App

chromium/third_party/blink/web_tests/external/wpt/html/rendering/replaced-elements/the-select-element/select-multiple-re-add-option-via-document-fragment.html 

<!doctype html>
<title>Test: Move option from select[multiple] into DocumentFragment and back</title>
<link rel="help" href="https://html.spec.whatwg.org/multipage/rendering.html#the-select-element-2">
<link rel="match" href="select-multiple-re-add-option-via-document-fragment-ref.html">
<p>You should see the word PASS below.</p>
<select multiple id="sel"><option id="opt">PASS</option></select>
<script>
  document.body.offsetTop;
  let rm = opt;
  document.createDocumentFragment().appendChild(rm);
  sel.appendChild(rm);
</script>