<script>

  var input = prompt("Whos there ??");

var user =prompt('inter nam');

if(user = 'admin'){

    var pass =prompt('inter your password');

    if(pass=='themaster'){

        alert('welcom to the websit');

    }else{

        alert('wrong pass ');

    }

}else{

    alert('i dont know you');

}

    script>