JAVASCRIPT

angular router outlet

<router-outlet></router-outlet>
<router-outlet name='left'></router-outlet>
<router-outlet name='right'></router-outlet>    

angular router outlet

<router-outlet
  (activate)='onActivate($event)'
  (deactivate)='onDeactivate($event)'
  (attach)='onAttach($event)'
  (detach)='onDetach($event)'></router-outlet>