Top "Rxjs" questions

The Reactive Extensions for JavaScript (RxJS) is a set of libraries for composing asynchronous and event-based programs using observable collections and Array Extras style composition.

Angular async pipe and object property

I need to use async pipe without ngFor. I need to check property of object that is async loaded with …

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Angular 6 router.events.filter 'filter' does not exist on type 'Observable<Event>'

I have finished to update my App to Angular 6 (it was in 5.2 version). I got an error syntax in : import { …

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Observable from <button> click event in Angular2

What's the preferred way to create an observable from a button's onclick event using Angular 2? I'm not sure if it's …

angular rxjs angular2-observables
Angular 2 - Countdown timer

I am willing to do a countdown timer in Angular 2 that start from 60 (i.e 59, 58,57, etc...) For that I have …

angular rxjs countdown countdowntimer
Angular 6 - run method in service every 10 seconds

I have this service using HttpClient to get some data : checkData() { return this.http.get('my url'); } The on the …

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Subscribe is deprecated: Use an observer instead of an error callback

When I run the linter it says: subscribe is deprecated: Use an observer instead of an error callback Code (from …

callback rxjs deprecated tslint subscribe
How can I complete Observable in RxJS

Let's say we have an Observable: var observable = Rx.Observable .fromEvent(document.getElementById('emitter'), 'click'); How can I make it …

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rxjs/Subject.d.ts error : Class 'Subject<T>' incorrectly extends base class 'Observable<T>'

I extracted sample template code from this tutorial and did below two steps to get started - npm install // worked …

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How to Stop observable.timer in Angular2

I am implementing the following functions in Angular2's Component: export class MypageEditComponent { ngOnInit() { this.timer = Observable.timer(100, 100); this.timer.…

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map is not a function (Rxjs) though import

there were a lot of questions about "map is not a function", but almost everyone just did not imported the …

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