RPS

<body><script language=JavaScript>
function rps () {
   var choice = randNum(3);
   if (choice==0)
       return "Rock";
   if (choice==1)
       return "Paper";
   else
       return "Scissors";
      }
      
  function randNum(range){
    return Math.floor(Math.random()*range);
  }
alert(rps());
document.write('<br>Click refresh');
</script>
</body>