angular 11 output as html code example

Example 1: output event angular

@Component({...})
export class CounterComponent {

  @Input()
  count: number = 0;

  @Output()
  change: EventEmitter<number> = new EventEmitter<number>();

  increment() {
    this.count++;
    this.change.emit(this.count);
  }

  decrement() {
    this.count--;
    this.change.emit(this.count);
  }

  	// in parent component
	//(change)="countChange($event)"> 

}

Example 2: property binding angular documentation

// component.ts

    @Component({
      templateUrl: 'component.html',
      selector: 'app-component',
    })
    export class Component {
      name = 'Peter';

      updateName() {
        this.name = 'John';
      }
    }
        // component.html

    <p>My name is {{name}}</p>
    <button (click)="updateName()">Update button</button>