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Test Info:

<!DOCTYPE html>
<html class="reftest-wait">
<head>
<script type="text/javascript">
function init()
{
window.addEventListener("blur", function (e) { e.stopPropagation(); },
true);
document.getElementById("link").focus();
setTimeout(doTest, 0);
}
function doTest()
{
document.getElementById("link").blur();
setTimeout(finish, 0);
}
function finish()
{
document.documentElement.removeAttribute("class");
}
</script>
</head>
<body onload="requestAnimationFrame(_ => setTimeout(init, 0));">
<img src="100x80-white-rect-top-right.png" usemap="#map">
<map name="map">
<area id="link" shape="rect" coords="10,10,30,30" href="about:blank">
</map>
</body>
</html>