var url = window.location.href;
var domain = url.replace('http://','').replace('https://','').split(/[/?#]/)[0];
const url = 'https://www.mydomain.com/blog?search=hello&world';
const domain = (new URL(url)).hostname.replace('www.','');
window.location.hash: "#2"
window.location.host: "localhost:4200"
window.location.hostname: "localhost"
window.location.href: "http://localhost:4200/landing?query=1#2"
window.location.origin: "http://localhost:4200"
window.location.pathname: "/landing"
window.location.port: "4200"
window.location.protocol: "http:"
window.location.search: "?query=1"
window.location.hostname
const url = 'http://www.youtube.com/watch?v=ClkQA2Lb_iE';
const { hostname } = new URL(url);
console.assert(hostname === 'www.youtube.com'); // true