How to get the value from get parameters

The new URL() object accepts the url string and searchParams property of this object can be used to access the get parameters.

let urlString = "http://www.some-domain.com/about.html?x=1&y=2&z=3"; //window.location.href
let url = new URL(urlString);
let parameterZ = url.searchParams.get("z");
console.log(parameterZ); // 3