angular watch

bootstrap.js

    $rootScope.$watch('tmpChartCount', function (newValue, oldValue, isRefren) {
        console.log("change");
        if ($rootScope.tmpChartMap.count() > 0)
            $rootScope.tmpChartMap.forEach(function (k, v) {
                $http.get(v.url).then(function (response) {
                    v.data = response.data;
                    v.draw();
                    $rootScope.chartMap.set(k, v);
                    $rootScope.tmpChartMap.remove(k);
                });
            });
    }, true);