javascript get just host 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: javascript regex get domain from url

function url_domain(data) {
  var    a      = document.createElement('a');
         a.href = data;
  return a.hostname;
}