2 <?xml-stylesheet href=
"chrome://global/skin/global.css" type=
"text/css"?>
3 <window xmlns=
"http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" class=
"reftest-wait">
4 <checkbox id=
"c1" checked=
"true"/>
7 window.requestAnimationFrame(() =
> {
8 window.requestAnimationFrame(() =
> {
9 let c1 = document.getElementById(
"c1");
10 let c2 = document.getElementById(
"c2");
11 c1.removeAttribute(
"checked");
12 c2.setAttribute(
"checked", true);
13 document.documentElement.className =
"";