<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Resource Timing iframe navigate - back button navigation</title>
<body onunload="/*disable bfcache*/"></body>
<script src="/common/get-host-info.sub.js"></script>
<script src="nested-contexts.js"></script>
<script>
setup_back_navigation("iframe-navigate-back.html");
</script>
<iframe></iframe>
<script>
    document.getElementsByTagName("iframe")[0].src = pre_navigate_url;
</script>