chromium/content/test/data/accessibility/html/a-href-update.html

<!--
@EXECUTE-AND-WAIT-FOR:changeHrefs()
-->
<!DOCTYPE html>
<html>

<body>
  <div style="white-space: nowrap">
    <a>Never has href</a>
    <a href="#">Always has href</a>
    <a href="">Empty string href</a>
    <a href>Null href</a>
    <a class="a1" target="_blank">Href set without delay</a>
    <a class="a2" target="_blank">Href set with delay</a>
    <a href="#" class="a3">Href removed with delay</a>
  </div>

  <script>
  document.querySelector('.a1').setAttribute('href', '#');

  function changeHrefs() {
    document.querySelector('.a2').setAttribute('href', '#');
    document.querySelector('.a3').removeAttribute('href');
    document.title = 'done';
    return 'done';
  }
  </script>
</body>

</html>