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Angular FAQ: Top Questions

22. What are observables in Angular?

Observables represent a stream of data over time and are central to Angular’s reactive programming model. They are provided by RxJS.


this.http.get<User[]>('/api/users')
  .subscribe(data => this.users = data);
        
  • Used for async operations like HTTP calls, event handling, reactive forms.
  • Support operators like map, filter, switchMap.