AngularJS : Basic $watch not working

Question

I\'m attempting to set up a watch in AngularJS and I\'m clearly doing something wrong, but I can\'t quite figure it out. The watch is firing on the immediate page load, but

Answer 1

You can use without $interval and $timeout

$scope.$watch(function() {
            return variableToWatch;
        }, function(newVal, oldVal) {
            if (newVal !== oldVal) {
                //custom logic goes here......
            }
        }, true);