[Solved] Which of the following is the correct way to subscribe to an observable in Angular? - Ans: observable.subscribe(data => console.log(data)); | Angular

Angular - RxJS and Observables Fundamentals

Which of the following is the correct way to subscribe to an observable in Angular?

Aobservable.watch(data => console.log(data));

Bobservable.listen(data => console.log(data));

Cobservable.on(data => console.log(data));

Dobservable.subscribe(data => console.log(data));

Step-by-Step Solution

Solution:

Step 1: Recall Angular observable syntax
In Angular, the method to receive data from an observable is called subscribe.
Step 2: Check each option's method name
Only observable.subscribe(data => console.log(data)); uses the correct method subscribe. Others like listen, on, and watch are not valid observable methods.
Final Answer:
observable.subscribe(data => console.log(data)); -> Option D
Quick Check:
Subscribe method = correct syntax [OK]

Quick Trick: Use subscribe() to get observable data [OK]

Common Mistakes:

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