Expression ___ has changed after it was checked

Question

Why is the component in this simple plunk

@Component({
  selector: \'my-app\',
  template: `
I\'m {{message}} 
`,
})
export class App {         


        

Answer 1

You can also create a timer using the rxjs Observable.timer function, and then update the message in your subscription:                    

Observable.timer(1).subscribe(()=> this.updateMessage());