How can a child component emit an event to inform its parent component about a particular action?

  • By calling a predefined Angular function, emitEvent(), from the child component.
  • By modifying the parent component's properties directly from the child component.
  • By using @Output and emitting an event from the child component, which the parent component can listen to.
  • By using Angular services to communicate between the child and parent components.
A child component can emit an event to inform its parent component by using @Output and emitting an event that the parent component can subscribe to. Directly modifying the parent component's properties from the child component is not a recommended practice. Calling a predefined function like emitEvent() is not a standard Angular approach. Using services can facilitate communication between components but is not the direct way for a child to inform its parent about an action.
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