javascript - How can I do reverse in a for loop? -

i have js method can't implement revese loop

$scope.organizebymonth = function () {      (var in $scope.incidents) {          var month = new date($scope.incidents[i].upload_date).getmonth();          if (!monthincidents[month]) {              monthincidents[month] = {                  name: $scope.months[month],                 incidents: []             };         }         var incident = $scope.incidents[i];          incident.index = i;          monthincidents[month].incidents.push(incident);     } }; 

how can show same objects in reverse :/

you can't reverse loop for in syntax - doesn't matter. objects in javascript unordered.