Answer
Determines whether route components should be cached or recreated during navigation.
Quick Answer
RouteReuseStrategy determines when Angular destroys and recreates components on navigation. Default: component is destroyed when you navigate away and recreated on return. Custom strategy: implement RouteReuseStrategy to cache component state across navigation (useful for list pages where you want scroll position preserved). Angular CDK or custom implementations store/restore detached view trees.
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SugharaIQ Editorial Team
Verified Answer
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Source: SugharaIQ