Source code
Revision control
Copy as Markdown
Other Tools
<!doctype html>
<meta charset="utf-8">
<title>activeElement when focusing different-site iframe's contenWindow</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 allow="focus-without-user-activation" src="http://{{hosts[alt][www]}}:{{ports[http][0]}}/focus/support/activeelement-after-focusing-different-site-iframe-inner-contentwindow.html"></iframe>