Sum Array - Chapter 11

<html xmlns = "http://www.w3.org/1999/xhtml">
   <head>
      <title>Sum the Elements of an Array</title>

      <script type = "text/javascript">
         <!--
         function start()
         {
            var theArray = [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ];
            var total1 = 0, total2 = 0;

            for ( var i = 0; i < theArray.length; i++ )
               total1 += theArray[ i ];

            document.writeln( "Total using subscripts: " + total1 );

            for ( var element in theArray )
               total2 += theArray[ element ];

            document.writeln( "<br />Total using for...in: " +
               total2 );
         }
         // -->
      </script>

   </head><body onload = "start()"></body>
</html>