How can I manage subscriptions in RxJS?

How can I manage subscriptions in RxJS?

In RxJS, you can manage subscriptions using the Subscription class. You can add multiple subscriptions to a single Subscription instance and unsubscribe from all of them at once.

Can you show me an example of how to use the Subscription class?

Sure! Here's a simple example:

import { Subscription } from 'rxjs';

const subscription = new Subscription();

const observable1 = someObservable.subscribe(data => console.log(data));
const observable2 = anotherObservable.subscribe(data => console.log(data));

subscription.add(observable1);
subscription.add(observable2);

// Later, when you want to unsubscribe:
subscription.unsubscribe();

What happens if I forget to unsubscribe?

Forgetting to unsubscribe can lead to memory leaks, as the subscriptions will continue to exist and may keep your application from releasing resources.

Are there any best practices for subscription management?

Yes! Some best practices include using the takeUntil operator, managing subscriptions in components' lifecycle methods, and using the async pipe in Angular templates.