iframeNavigationInner.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Iframe Navigation Inner</title>
</head>
<body>
    <h1>Iframe Navigation Inner</h1>
    <button onclick="window.top.location.assign('iframeTarget.html')">Take me somewhere else...</button>
    <a href="iframeTarget.html" target="_top">Take me somewhere else...</a>
</body>
</html>