angular url parameter

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

@Component(...)
export class MyComponent implements OnInit {
   constructor (private activatedRoute: ActivatedRoute){}
   
   ngOnInit() {
    this.activatedRoute.params.subscribe((params: Params) => {
      if (params.myParam){
        // Do something
      }
    });
   }
}
import { ActivatedRoute } from "@angular/router";

//import ActivatedRoute in constructor()
private $route: ActivatedRoute

// in ngOnInit() call
//myvar is the variable where you want to store your param
this.$route.params.forEach(param =>
	this.myvar = param['whatever your param name is']
);// example url: details?id=2

constructor(private activatedRoute: ActivatedRoute) {
  this.activatedRoute.queryParams.subscribe(params => {
        console.log(params); // Prints {id: "2"}
    });
}