<!DOCTYPE html> <html class="reftest-wait"> <meta charset="utf-8"> <title>Test for bug 1066554 - Shadow DOM loads MathML stylesheets as needed</title> <body> <div id="x"></div> <script> function insertShadowMathML() { var x = document.getElementById("x"); x.createShadowRoot(); x.shadowRoot.innerHTML = '<math><msup><mi>X</mi><mi>X</mi></msup></math>'; document.documentElement.removeAttribute("class"); } window.addEventListener("MozReftestInvalidate", insertShadowMathML, false); </script> </body> </html>