how to get any parameter from url in angular 6 code example

Example 1: angular get url param

constructor(private activatedRoute: ActivatedRoute) {
  this.activatedRoute.queryParams.subscribe(params => {
        let date = params['startdate'];
        console.log(date); // Print the parameter to the console. 
    });
}

Example 2: angular url parameter

// example url: details?id=2

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