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<!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-2-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");
var mspace3 = document.createElementNS("http://www.w3.org/1998/Math/MathML","mspace");
mspace3.setAttribute("width", "50px");
mspace3.setAttribute("height", "50px");
mspace3.setAttribute("style", "background: black");
document.getElementsByTagName("math")[0].appendChild(mfrac);
mfrac.appendChild(mspace1);
mfrac.appendChild(mspace2);
mfrac.appendChild(mspace3);
document.documentElement.classList.remove('reftest-wait');
});
</script>
</head>
<body>
<p>This test passes if it renders the same as an invalid fraction with 3 children.</p>
<math></math>
<script src="/mathml/support/feature-detection.js"></script>
<script>MathMLFeatureDetection.ensure_for_match_reftest("has_mfrac");</script>
</body>
</html>
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