[Solved] Which of the following is the correct way to create a new observable in Angular? - Ans: const obs = new Observable(subscriber => { subscriber.next('Hello'); }); | Angular

Angular - RxJS and Observables Fundamentals

Which of the following is the correct way to create a new observable in Angular?

Aconst obs = new Observable(subscriber => { subscriber.next('Hello'); });

Bconst obs = Observable.create('Hello');

Cconst obs = new Observable.next('Hello');

Dconst obs = Observable('Hello');

Step-by-Step Solution

Solution:

Step 1: Recall Observable creation syntax
Use new Observable() with a function receiving a subscriber.
Step 2: Check each option
Only const obs = new Observable(subscriber => { subscriber.next('Hello'); }); correctly uses new Observable(subscriber => subscriber.next(...)).
Final Answer:
const obs = new Observable(subscriber => { subscriber.next('Hello'); }); -> Option A
Quick Check:
Correct syntax uses new Observable with subscriber function [OK]

Quick Trick: Use new Observable(subscriber => ...) to create [OK]

Common Mistakes:

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Which of the following is the correct way to create a new observable in Angular?