<DOCTYPE html>
<html>
<body>
<script src="../../resources/js-test.js"></script>
<script>
description("Tests that it is possible to access frame.contentWindow synchronously on an about:blank iframe, even if marked as lazily loading.");

let iframe = document.createElement("iframe");
iframe.loading = "lazy";
document.body.append(iframe);

shouldBeEqualToString("iframe.contentWindow.location.href", "about:blank");
</script>
</body>
</html>
