chromium/third_party/blink/web_tests/external/wpt/mathml/presentation-markup/operators/mo-movablelimits-dynamic.html

<!DOCTYPE html>
<html class="reftest-wait">
  <head>
    <meta charset="utf-8"/>
    <title>Test dynamically removing movablelimits attribute</title>
    <link rel="help" href="https://w3c.github.io/mathml-core/#operator-fence-separator-or-accent-mo">
    <link rel="help" href="https://w3c.github.io/mathml-core/#dom-and-javascript">
    <meta name="assert" content="Verifies dynamically removing movablelimits.">
    <link rel="match" href="mo-movablelimits-dynamic-ref.html">
    <script>
      window.addEventListener("load", () => {
        document.getElementById('a').removeAttribute('movablelimits');
        document.documentElement.classList.remove('reftest-wait');
      });
    </script>
  </head>
  <body>
    <math>
      <munder>
        <mo id="a" movablelimits="false">∑</mo>
        <mi>x</mi>
      </munder>
    </math>
    <script src="/mathml/support/feature-detection.js"></script>
    <script>MathMLFeatureDetection.ensure_for_match_reftest("has_munderover");</script>
  </body>
</html>