<!DOCTYPE html>
<html class="reftest-wait">
<head>
<meta charset="utf-8">
<title>mfrac created dynamically</title>
<link rel="help" href="https://w3c.github.io/mathml-core/#fractions-mfrac">
<link rel="help" href="https://w3c.github.io/mathml-core/#dom-and-javascript">
<meta name="assert" content="A dynamically added mfrac should render like the equivalent markup.">
<link rel="match" href="frac-created-dynamically-ref.html">
<script>
  window.addEventListener("load", function() {

  // force initial layout so we're sure what we're testing against
  document.documentElement.getBoundingClientRect();

  var mfrac = document.createElementNS("http://www.w3.org/1998/Math/MathML","mfrac");
  var mspace1 = document.createElementNS("http://www.w3.org/1998/Math/MathML","mspace");
  mspace1.setAttribute("width", "50px");
  mspace1.setAttribute("height", "50px");
  mspace1.setAttribute("style", "background: black");
  var mspace2 = document.createElementNS("http://www.w3.org/1998/Math/MathML","mspace");
  mspace2.setAttribute("width", "50px");
  mspace2.setAttribute("height", "50px");
  mspace2.setAttribute("style", "background: black");
  mfrac.appendChild(mspace1);
  mfrac.appendChild(mspace2);
  document.getElementsByTagName("math")[0].appendChild(mfrac);

  document.documentElement.classList.remove('reftest-wait');
  });
</script>
</head>
<body>
  <p>This test passes if you see a fraction.</p>
  <math></math>
  <script src="/mathml/support/feature-detection.js"></script>
  <script>MathMLFeatureDetection.ensure_for_match_reftest("has_mfrac");</script>
</body>
</html>
