سلام استاد پاسخ تمرین

var user = prompt("who's there?");
if (user != null) {
if (user === "Admin") {
    var password = prompt("password?");
    if (password != null) {
        password ==="TheMaster" ? alert("Welcome!") : alert("Wrong Password!");
    }
} else{
    alert("i don't know you");
}
}