Angular · Senior · Question 63 of 75

Why might `RouteReuseStrategy` be customized?

✓Correct answer: To keep a component instance (e.g. a list with scroll and filters) alive and reattach it when the user returns
2To reuse HTTP responses
3To share routes between apps

Explanation

Detached views keep their state and subscriptions, so you must manage memory and stale data yourself.

Further reading

Angular: Routing ↗

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