<html>
<head>
<script>
var arr = [5, 6, 3, 10, 7, 2, 1, 4, 9];
function bubbleSort(arr) {
     var i, j;
     for (i = arr.length - 1; i >= 0; i--) {
         for (j = 0; j <= i; j++) {
             if (arr[j + 1] < arr[j]) {
                 var temp = arr[j];
                 arr[j] = arr[j + 1];
                 arr[j + 1] = temp;
             }
         }
     }
     return arr;
 }
 document.writeln(arr+"<br>");
 document.write(bubbleSort(arr));
 </script>
 </head>
 <body>
 </body>
 </html>