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

@Component({
  selector: 'my-app',
  template: `
    <h1>Hello {{myvar}}</h1>
    <a href="#" (click)="updatemyvar()">This button will set myvar = 'tony'</a>

    <my-cmp [(myvar)]="myvar"></my-cmp>


`,
})
export class AppComponent  {
  @Input() @Output() myvar: string = "test";
  updatemyvar(){
    this.myvar = "gili";
  }
}