http://blogs.msmvps.com/deborahk/build-a-simple-angular-service-to-share-data/
origin - http://www.pipiscrew.com/2017/05/build-a-simple-angular-service-to-share-data/ build-a-simple-angular-service-to-share-data
http://blogs.msmvps.com/deborahk/build-a-simple-angular-service-to-share-data/
origin - http://www.pipiscrew.com/2017/05/build-a-simple-angular-service-to-share-data/ build-a-simple-angular-service-to-share-data