<!DOCTYPE html>
<html>
<head>
<title>Child window at 127.0.0.1</title>
<script type="application/javascript">
function run()
{
var target = document.getElementById("location");
target.textContent = location.hostname + ":" + (location.port || 80);
var message = "child-response";
var domain = document.domain;
if (domain !== "127.0.0.1")
message += " wrong-initial-domain(" + domain + ")";
try
{
document.domain = "0.0.1";
domain = document.domain;
message += " ip-address-shortened-to(" + domain + ")";
}
catch (e)
{
domain = document.domain;
if (domain !== "127.0.0.1")
message += " ip-address-mutated-on-throw(" + domain + ")";
}
window.parent.postMessage(message, "http://mochi.test:8888");
}
window.addEventListener("load", run, false);
</script>
</head>
<body>
<h1 id="location">Somewhere!</h1>
</body>
</html>