<script type="text/javascript" charset="utf-8">  
  $(document).on('ready pjax:scriptcomplete',function(){
    randomArrayNumCols({QID});
    });
 
  // A function to randomize columns in an array-numbers question
  function randomArrayNumCols(qID){
 
    var thisQuestion = $('#question'+qID);
 
    // Index the array columns
    $('table.subquestion-list tr', thisQuestion).each(function(i) {
      $('> *', this).each(function(i) {
        $(this).attr('data-index', i);
      });
    });
 
    // Create an array of the columns
    var columns = [];
    $('table.subquestion-list tr[id^="javatbd"]:eq(0) td.answer-item', thisQuestion).each(function(i) {
      columns.push($(this).attr('data-index'));
    });
 
    // Shuffle the columns array
    columns = $.shuffle(columns);
 
    // Reposition the row elements
    $('table.subquestion-list tr', thisQuestion).each(function(i) {
      var thisRow = $(this);
      $(columns).each(function(i, val) {
        thisRow.append($('[data-index="'+val+'"]', thisRow));
        thisRow.append($('.col-no-answer', thisRow));
      });
    });
  }
 
  // A function to shuffle elements or contents of arrays
  (function($){
    $.fn.shuffle = function() {
      return this.each(function(){
        var items = $(this).children();
        return (items.length)
          ? $(this).html($.shuffle(items))
          : this;
      });
    }
 
    $.shuffle = function(arr) {
      for(
        var j, x, i = arr.length; i;
        j = parseInt(Math.random() * i),
        x = arr[--i], arr[i] = arr[j], arr[j] = x
      );
      return arr;
 
    }
  })(jQuery);
</script>