angular-docs-cn/aio/content/examples/toh-pt4/src/app/heroes/heroes.component.html

<h2>My Heroes</h2>
<!-- #docregion list -->
<ul class="heroes">
  <li *ngFor="let hero of heroes"
    [class.selected]="hero === selectedHero"
    (click)="onSelect(hero)">
    <span class="badge">{{hero.id}}</span> {{hero.name}}
  </li>
</ul>
<!-- #enddocregion list -->

<!-- #docregion hero-detail-binding -->
 <app-hero-detail [hero]="selectedHero"></app-hero-detail>
<!-- #enddocregion hero-detail-binding -->