Untitled

<html>
   <body>
      <script type = "text/javascript">

            var grade = 'A';
            document.write("Entering switch block<br />");
            switch (grade) {
               case 'A': document.write("Grade is A<br />");
               break;

               case 'B': document.write("Grade is B<br />");
               break;

               case 'C': document.write("Grade is C<br />");
               break;

               case 'D': document.write("Grade is D<br />");
               break;

               case 'F': document.write("Failed<br />");
               break;

               default:  document.write("Unknown grade<br />")
            }

       </script>

   </body>
</html>