<?xml version="1.0"?> <?xml-stylesheet href="chrome://global/skin/global.css" type="text/css"?> <window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" class="reftest-wait"> <checkbox id="c1" checked="true"/> <checkbox id="c2"/> <script> window.requestAnimationFrame(() => { window.requestAnimationFrame(() => { let c1 = document.getElementById("c1"); let c2 = document.getElementById("c2"); c1.removeAttribute("checked"); c2.setAttribute("checked", true); document.documentElement.className = ""; }); }); </script> </window>