Untitled

<!DOCTYPE html>
<html>
<head>
<title> Hello world</title>
  <script type="text/javascript">
    // miss. \ ms. \ mrs. \ mr.
    var designation = prompt( 'Please enter your designation (miss.\ms.\mrs.\mr.):');
    // first name
    var first_name = prompt( 'Please enter your first name:');
    // last name
    var last_name = prompt( 'Please enter your last name:');
    // get personalized 'hello'
    var greeting = 'Hello, ' + designation + ' ' + first_name + ' ' + last_name ;
    //say hello
    document.title = greeting;
    alert(greeting);
  </script>
</head>
<body>
</body>
</html>