const res = new URL(‘https://www.baidu.com‘);
console.log(res);
// 输出如下内容
URL {
  href: ‘https://www.baidu.com/‘,
  origin: ‘https://www.baidu.com‘,
  protocol: ‘https:‘,
  username: ‘‘,
  password: ‘‘,
  host: ‘www.baidu.com‘,
  hostname: ‘www.baidu.com‘,
  port: ‘‘,
  pathname: ‘/‘,
  search: ‘‘,
  searchParams: URLSearchParams {},
  hash: ‘‘
}