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

@Component({
  selector: 'my-app',
  template: `
    <div [title]="'Hello, ' + (firstName ?? 'Frodo') + '!'"></div>
    <span [title]="'Your last name is ' + (lastName ?? lastNameFallback ?? 'unknown')"></span>
  `
})
export class MyApp {
  firstName: string|null = null;
  lastName: string|null = null;
  lastNameFallback = 'Baggins';
}

@NgModule({declarations: [MyApp]})
export class MyModule {
}
