What is the Angular Output Decorator?

Can you explain what the Angular Output Decorator is?

The Angular Output Decorator is used to create custom events in a component, allowing child components to communicate with parent components.

How do I use the Output Decorator in my Angular application?

To use the Output Decorator, you need to import it from '@angular/core', then define an EventEmitter in your child component and decorate it with @Output.

Can you give me a code example of using the Output Decorator?

Sure! Here's a simple example:

import { Component, Output, EventEmitter } from '@angular/core';

@Component({
  selector: 'child-component',
  template: `<button (click)="notifyParent()">Notify Parent</button>`
})
export class ChildComponent {
  @Output() notify = new EventEmitter<string>();

  notifyParent() {
    this.notify.emit('Hello Parent!');
  }
}

What are some common use cases for the Output Decorator?

Common use cases include notifying a parent component of user actions, passing data back to the parent, and handling events like form submissions.