angular set query params

1import { ActivatedRoute } from '@angular/router';
2
3export class ExampleComponent implements OnInit {
4
5  constructor(private router: ActivatedRoute) { }
6
7  ngOnInit() {
8    this.router.queryParams.subscribe(res=>{
9      console.log(res) //will give query params as an object
10    })
11  }
12
13}

1constructor(private router: Router) { }
2
3public myMethodChangingQueryParams() {
4  const queryParams: Params = { myParam: 'myNewValue' };
5
6  this.router.navigate(
7    [], 
8    {
9      relativeTo: activatedRoute,
10      queryParams: queryParams, 
11      queryParamsHandling: 'merge', // remove to replace all query params by provided
12    });
13}

1//in your HTML code :
2<a href="javascript:;" routerLink="/link/params">
3  My link
4</a>
5
6// app-routing.module.ts:
7//in your Routes array :
8{path: '/link/:paramsName', component: MyComponent }