How to stop $interval on leaving ui-state?

Question

Angular, UI-router. Using $interval in a controller of a state like so:

$scope.Timer = null;

$scope.startTimer = function () { 
    $scope.Timer = $interval($sc         


        

Answer 1

clear interval on $destroy

Like this

$scope.$on("$destroy",function(){
    if (angular.isDefined($scope.Timer)) {
        $interval.cancel($scope.Timer);
    }
});