1.  
  2. ‹h1›Angular Router‹/h1›
  3. ‹nav›
  4.   ‹a routerLink="/crisis-center" routerLinkActive="active"›Crisis Center‹/a›
  5.   ‹a routerLink="/heroes" routerLinkActive="active"›Heroes‹/a›
  6. ‹/nav›
  7. ‹router-outlet›‹/router-outlet›
  8.