I\'d like to ask you for help. I omitted code that I assume is not important. Let\'s imagine TS file that contains service calls:
// file: someService.ts
<
you can refer to this link for more information about using forkjoin() method to run multiple concurrent http.get() requests.Here u can get a complete working example.
http://www.metaltoad.com/blog/angular-2-http-observables