Untitled

<!DOCTYPE HTML>
<html lang="en-us">
  <head>
    <meta charset="utf-8">
    <title>Power of Two</title>
    <script>
      /*
    Input: none
    Processing: loops through all powers of two from 0 to 31
    Output: list of power of two from 0 to 31
    */
    function powerTwo() {
      var n = 31;
      var answer = 0;
      var output = "";
      for(var i = 0; i <= n; i ++){
        answer = Math.pow(2,i);
        output += (answer + ", ");
      }
      document.getElementById('output').innerHTML= output;
  }
    </script>
  </head>
  <body onload="powerTwo()">
    <div id="output"></div>
  </body>
</html>