storage_session_window_noopener_second.html

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<!DOCTYPE HTML>

<html>

<head>

<title>WebStorage Test: sessionStorage - second page</title>

</head>

<body>

<script>

var storage = window.sessionStorage;

var assertions = [];

assertions.push({

    actual: storage.getItem("FOO"),

    expected: null,

    message: "storage.getItem('FOO')"

});

storage.setItem("FOO", "BAR-NEWWINDOW");

assertions.push({

    actual: storage.getItem("FOO"),

    expected: "BAR-NEWWINDOW",

    message: "value for FOO after changing"

});

let channel = new BroadcastChannel('storage_session_window_noopener');

channel.postMessage(assertions, '*');

window.close();

</script>

</body>

</html>