Reactive Programming with RxJS/

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Creating Observables and Operators

Creating Observables and Operators

Learn about the creation process of Observables, Observers, and their fundamental methods.

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There are several ways to create Observables, the create operator being the most obvious one. The create operator in the Rx.Observable object takes a callback that accepts an Observer as a parameter. This function defines how the Observable will emit values. Here’s how we create a simple Observable:

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var observable = Rx.Observable.create(function(observer) 
{ 
    observer.onNext('Simon');
    observer.onNext('Jen');
    observer.onNext('Sergi');
    observer.onCompleted(); // We are done 
});

When we subscribe to this Observable, it emits three ...

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