anchor.diff:                    }
   
                     $childList = setMembers($parentNode);
  -
  -                  // add class to last country group row
  -                  if (idx == $parentNodes.length - 1) {
  -                    $parentNode.closest('tr').addClass('last-country-group');
  -                  }
   
                     // hide all child lists
                     if (!isCommodityTree) {
  
positive.code:                 }
                };
  
                $parentNodes.each(function (idx) {
                    var $parentNode = $(this),
                        $childList;
  
negative.code:                   effectAll,
                    setMembers,
                    controlHover,
                    addDividerLine,
                    clickBranch;
  
                if (!$parentNodes.length) { return; }
  