SMT page content based on login or logout condition

In smt page for user login and logout different contents have to show.

<script>
    var logged;
    SC.PROFILE_PROMISE.then(function (customer) {
        //console.log(customer.isLoggedIn)
        logged = customer.isLoggedIn;
        //console.log("logged", logged)
        if (logged != "T") {
            $("#cu_logout").css("display", "block")
            $("#cu_login").css("display", "none")
        } else {
            $("#cu_logout").css("display", "none")
            $("#cu_login").css("display", "block")
        }
    });
</script>