Angular: append query parameters to URL

Question

Im using this:

    import { HttpParams } from \'@angular/common/http\';
    let params = new HttpParams();
    params.a         


        

Answer 1

Make sure while passing query params value should not be undefined.

      this.router.navigate([yourRoute,
         queryParams : 
              {
                key : (yourValue ? yourValue : '')
              },
         queryParamsHandling: 'merge'
            ]);