Help? about vex HOT 1 CLOSED

<!-- Necessary includes -->
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.1/jquery.min.js"></script>
<script src="http://github.hubspot.com/vex/js/vex.js"></script>
<script src="http://github.hubspot.com/vex/js/vex.dialog.js"></script>
<link href="http://github.hubspot.com/vex/css/vex.css" rel="stylesheet" />
<link href="http://github.hubspot.com/vex/css/vex-theme-os.css" rel="stylesheet" />

<!-- Example -->
<script>
$(function(){
    vex.dialog.confirm({
        className: 'vex-theme-os',
        message: 'You are currently viewing the mobile version of this site. Would you like to view the desktop version instead?',
        buttons: [
            $.extend({}, vex.dialog.buttons.YES, { text: 'View desktop site' }),
            $.extend({}, vex.dialog.buttons.NO,  { text: 'Stay here' })
        ],
        callback: function(confirmed) {
            if (confirmed) {
                console.log('Go to desktop site...');
            } else {
                console.log('Stay here...');
            }
        }
    });
});
</script>