'use strict'; angular.module('hybridApps') .controller('slideCtrl', function ($scope) { $scope.slide4 = { framerate: 5, processing: false, fibonacci: 2000 }; $scope.toggleProcessing = function() { $scope.slide4.processing = !$scope.slide4.processing; } $scope.$watch('slide4.framerate', function(newVal){ if (newVal) { $scope.interval = parseInt(1000 / Number(newVal)) ; } }) });