[Solved] In Angular, what role does the @Output decorator play when used in a child component? — Ans: It allows the child component to send data to its parent via custom events. | Angular

Angular - Component Interaction

In Angular, what role does the @Output decorator play when used in a child component?

AIt marks a property as an input binding to receive data from the parent.

BIt allows the child component to send data to its parent via custom events.

CIt defines a service that the child component can inject.

DIt registers a lifecycle hook for the component.

Step-by-Step Solution

Solution:

Step 1: Understand @Output
The @Output decorator is used to define an event that a child component can emit to notify its parent.
Step 2: Differentiate from @Input
Unlike @Input, which receives data, @Output sends data out via events.
Final Answer:
It allows the child component to send data to its parent via custom events. -> Option B
Quick Check:
Sending data out from child to parent is done with @Output [OK]

Quick Trick: Use @Output to emit events from child to parent [OK]

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In Angular, what role does the @Output decorator play when used in a child component?