angular6 routing query parameters url code example

Example 1: in angular how to get router url without query params

this.router.url.split('?')[0]

Example 2: get route query params angular

export class HeroComponent implements OnInit {
  constructor(private _activatedRoute: ActivatedRoute, private _router:Router) {
    _router.routerState.queryParams.subscribe(
      params => console.log('queryParams', params['st']));