lang-changed.html | Explore in Territory

<!DOCTYPE html>
<!-- Adding a lang will cause a normally ignored node to be included in the Blink tree, but it is still ignored on the platform layer. Adding an id causes it to be included n the platform layer as well -->
<div>
  <div>
    <span>
      <input type="checkbox">Gift</input>
    </span>
  </div>
</div>
<script>
  const span = document.querySelector('span');
  const cbox = document.querySelector('input');
  const go_passes = [
    () => span.setAttribute('lang', "de-DE"),
    () => { span.id = 'xyz'; cbox.checked = true; },
    () => { span.removeAttribute('id'); cbox.checked = false; },
    () => span.removeAttribute('lang'),
  ];

  var current_pass = 0;
  function go() {
    go_passes[current_pass++].call();
    return current_pass < go_passes.length;
  }
</script>

chromium/content/test/data/accessibility/event/lang-changed.html