angular-cn/public/docs/_fragments/styleguide/js/app-no-dsl.js.md

function  AppComponent () {}

AppComponent.annotations = [
  new ng.ComponentAnnotation({
    selector: 'my-app'
  }),
  new ng.ViewAnnotation({
    template: '<h1 id="output">My First Angular 2 App</h1>'
  })
];