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<!doctype html>
<meta charset="utf-8">
<title>activeElement when focusing same-site iframe's contentWindow</title>
<script>
let log = "";
function getLog() {
return log;
}
window.onmessage = function(e) {
log += e.data;
};
window.onload = function() {
log += "outeronload,";
log += "activeElement:" + document.activeElement.tagName + ",";
log += "willfocusiframe,";
document.getElementsByTagName("iframe")[0].contentWindow.focus();
log += "didfocusiframe,";
log += "activeElement:" + document.activeElement.tagName + ",";
log += "willbluriframe,";
document.getElementsByTagName("iframe")[0].contentWindow.blur();
log += "didbluriframe,";
log += "activeElement:" + document.activeElement.tagName + ",";
log += "willspineventloop,"
opener.step_timeout(function() {
opener.postMessage(getLog(), "*");
}, 1500);
}
</script>
<iframe src="activeelement-after-focusing-same-site-iframe-inner-contentwindow.html"></iframe>
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