angular-docs-cn/public/docs/_fragments/gettingstarted/ts/app-class-w-annotations.js.md

```
var AppComponent = (function () {
    function AppComponent() {
    }
    AppComponent = __decorate([
        angular2_1.Component({
            selector: 'my-app'
        }),
        angular2_1.View({
            template: '<h1 id="output">My First Angular 2 App</h1>'
        }), 
        __metadata('design:paramtypes', [])
    ], AppComponent);
    return AppComponent;
})();
```