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<!doctype html>
<meta charset="utf-8">
<title>Focus event after focusing same site iframes outer</title>
<iframe src="focus-event-after-focusing-iframes-inner.html"></iframe>
<script>
let outerlog = "outerlog:";
let iframe = document.querySelector("iframe");
window.onmessage = function(e) {
if (e.data == "start") {
window.onfocus = function() {
outerlog += "windowfocus,";
};
} else if (e.data == "focus") {
outerlog += "willfocusiframe,";
document.querySelector("iframe").focus();
outerlog += "didfocusiframe,";
} else if (e.data == "getlog") {
iframe.contentWindow.postMessage("getlog", "*");
} else {
opener.postMessage(outerlog + e.data, "*");
}
};
window.onload = function() {
window.onblur = function() {
outerlog += "windowblur,";
};
opener.postMessage("ready", "*");
};
</script>
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