Tips for resolving the issue of the '$interval is not a function' error in AngularJS

When I click on the up/down arrows, I am attempting to continuously increase/decrease a value using AngularJS $interval function. However, I keep encountering an error message that says "TypeError: $interval is not a function." Can someone please help me solve this issue? Here is the code snippet I have been working on:

$scope.onMouseDown = function (type) {
  promise = $interval(function () {
    if (type == 'Inc') {
       $scope.increaseVal();
    }
    else if (type == 'Dec') {
       $scope.decreaseVal();
    }
  }, 150);
};
$scope.stopInterval = function () {
   $interval.cancel(promise);
};
<div><a href="javascript:;" class="arrow" data-spin="up"><i class="fa fa-caret-up" ng-mousedown="onMouseDown('Inc')" ng-mouseup="stopInterval()" ng-mouseleave="stopInterval()" ng-click="increaseVal()"></i></a>
<a href="javascript:;" class="arrow" data-spin="down"><i class="fa fa-caret-down" ng-mousedown="onMouseDown('Dec')"
ng-mouseup="stopInterval()" ng-mouseleave="stopInterval()" ng-click="decreaseVal()"></i></a>
</div>

javascriptangularjs

Answer №1

Utilize the $interval service within your controller:

angular.module('yourmodulename').controller('yourcontrollername', [
    '$scope', '$interval',
    function ($scope, $interval) {
       $scope.onMouseClick = function (action) {
           promise = $interval(function () {
               if (action == 'Increment') {
                   $scope.increaseValue();
               }
               else if (action == 'Decrement') {
                   $scope.decreaseValue();
               }
           }, 150);
       };
       $scope.stopInterval = function () {
           $interval.cancel(promise);
       };
}]);

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