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<html>
<head>
<meta charset="utf-8">
</head>
<body>
<h3>test iframe</h3>
<script>
"use strict";
window.onload = function() {
window.onhashchange = function() {
window.parent.postMessage("updated-iframe-url", "*");
};
// NOTE: without the this setTimeout the location change is not fired
// even without the "fire only for top level windows" fix
setTimeout(function() {
window.location.hash = "updated-iframe-url";
}, 0);
};
</script>
</body>
</html>