/Javascript/AngularJS/How to add query parameter to url in angular

How to add query parameter to url in angular

Get query params from url angular

import { ActivatedRoute } from '@angular/router';

export class ExampleComponent implements OnInit {

  constructor(private router: ActivatedRoute) { }

  ngOnInit() {
    this.router.queryParams.subscribe(res=>{
      console.log(res) //will give query params as an object
    })
  }

}

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
    });
}

Source: stackoverflow.com

How to add query parameter to url in angular

// Make sure to import and define the Angular Router and current Route in your constructor
constructor(
  private router: Router,
  private route: ActivatedRoute
) {}

...
...
...

// Take current queryParameters from the activated route snapshot
const urlParameters = Object.assign({}, this.route.snapshot.queryParams); 

// Need to delete a parameter ?
delete urlParameters.parameterName;

// Need to add or updated a parameter ?
urlParameters.parameterName = newValue;

// Update the URL with the Angular Router with your new parameters
this.router.navigate([], { relativeTo: this.route, queryParams: urlParameters });

Source: stackoverflow.com

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