1constructor(private activatedRoute: ActivatedRoute) {
2  this.activatedRoute.queryParams.subscribe(params => {
3        let date = params['startdate'];
4        console.log(date); // Print the parameter to the console. 
5    });
6}
7

1this.router.url.split('?')[0] 
2

1export class HeroComponent implements OnInit {
2  constructor(private _activatedRoute: ActivatedRoute, private _router:Router) {
3    _router.routerState.queryParams.subscribe(
4      params => console.log('queryParams', params['st']));