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obeservable from an object angular

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Watcher O_O answered on March 23, 2021 Popularity 10/10 Helpfulness 2/10

answer obeservable from an object angular

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obeservable from an object angular

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//Put an object in a observable
let myObj = {name: "Maria", age: 23};
this.myObs$ = of(myObj);

Popularity 10/10 Helpfulness 2/10 Language typescript

Source: Grepper

Tags: angular object typescript

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Contributed on Aug 13 2021

Watcher O_O

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return observable from function angular

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1. Better practise is to use Observable:

import { catchError } from 'rxjs/operators';
import { throwError } from 'rxjs';

bbb() {
 return this.http.get(this.url)
   .pipe(
     catchError(err => {
       console.log('err', err);
       return throwError('Something bad happened; please try again later.');
     });
}

2. And, then simply just subscribe to bbb:

import { Subscription } from 'rxjs';

testSubscription: Subscription;

ngAfterContentInit() {
    this.testSubscription = this.bbb()
      .subscribe(son => {
        console.log('son', son); // here you get the result
      });
}

3. Don't forget to unsubscribe:

ngOnDestroy() {
  this.testSubscription.unsubscribe();
}

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: angular

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Contributed on Jun 15 2022

Coding Era

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Observable in angular

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ngOnInit() {
 
    this.obs.subscribe(
      val => { console.log(val) }, //next callback
      error => { console.log("error") }, //error callback
      () => { console.log("Completed") } //complete callback
    )
}

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: www.tektutorialshub.com

Tags: angular

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Contributed on Apr 07 2023

Nanu

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angular observable examplE

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import {Observable} from 'rxjs';
const foo = new Observable (subscriber => {
  subscriber.next (42);
  subscriber.next (100);


});
foo.subscriber(x => {
  console.log(x);
});

Popularity 1/10 Helpfulness 1/10 Language javascript

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Tags: angular-observable javascript

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Contributed on Mar 23 2021

Doubtful Donkey

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what is observable in angular

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Observable in Angular is a feature that provides support 
for delivering messages between different parts of your single-page application.
This feature is frequently used in Angular because it is responsible 
for handling multiple values, asynchronous programming in Javascript, 
  and also event handling processes.

Popularity 10/10 Helpfulness 1/10 Language javascript

Source: www.javatpoint.com

Tags: angular

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Contributed on Jun 20 2022

Rasel Ahmed

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obeservable from an object angular

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