extract a domain name javascript code example

Example 1: javascript get domain name from string

const url = 'https://www.mydomain.com/blog?search=hello&world';
const domain = (new URL(url)).hostname.replace('www.','');

Example 2: how to extract domain name of url of current page in javascript

var url = window.location.href;
var domain = url.replace('http://','').replace('https://','').split(/[/?#]/)[0];