push.js

<html>
<title>notificaciones</title>
<head>
    <script src="https://code.jquery.com/jquery-latest.min.js" type="text/javascript"></script>
    <script src="/js/push.min.js" type="text/javascript"></script>
<script>
function demo() {
    Push.create('Hello world!', {
        body: 'How\'s it hangin\'?',
        link: '/#',
        timeout: 4000,
        onClick: function () {
            console.log("Fired!");
            window.focus();
            this.close();
        },
        vibrate: [200, 100, 200, 100, 200, 100, 200]
    });
}

$(document).ready(function() {
    $("#demo_button").click(demo);
});
</script>
</head>
<body>


<h1>holaaa</h1>
<a id="demo_button" href="#" class="button">View Demo</a>

</body>
</html>