Check out a free preview of the full Reactive Angular 2 with ngrx course:
The "Observables Demonstration 1" Lesson is part of the full, Reactive Angular 2 with ngrx course featured in this preview video. Here's what you'd learn in this lesson:
Scott begins live-coding a more practical example that uses RxJS operators. He subscribes to a stream of data from an input text field. Later, he uses the input text to make an asynchronous GET request using the fetch API.