Angular url param is undefined

Question

I am trying to get url parameter value but it is undefined and I don't find why...

Code

export class HeaderComponent implements OnInit {

  constructor(private route: ActivatedRoute) { }

  ngOnInit(): void {
    console.log(this.route.snapshot.params['lang']);
  }
}

URL

localhost:4200/home?lang=EN

Answer 1

What you are looking for is queryParams not params.

params is for myRoute/mySubRoute/:myParam:/

queryParams is for myRoute/mySubRoute?param=value where ?param=value is the queryString.