how to get querystring params in angularjs code example

Example 1: angular set query params

constructor(private router: Router) { }

public myMethodChangingQueryParams() {
  const queryParams: Params = { myParam: 'myNewValue' };

  this.router.navigate(
    [], 
    {
      relativeTo: activatedRoute,
      queryParams: queryParams, 
      queryParamsHandling: 'merge', // remove to replace all query params by provided
    });
}

Example 2: queryparams angular

goProducts() {
  this.router.navigate(['/products'], { queryParams: { order: 'popular', 'price-range': 'not-cheap' } });
}