content/test/data/accessibility/event/live-region-reparent-within-live-region.html

<!DOCTYPE html>
<html>
<body>
<div aria-live="polite">
  <div id="div1">Foo</div>
  <div id="div2">Bar</div>
</div>

<script>
  function go() {
    document.getElementById('div2').appendChild(
      document.getElementById('div1').firstChild
    );
  }
</script>
</body>
</html>