Dostep do kotwicy w js

  let hash=window.location.hash.substr(1);
            if(hash.length > 0 && hash.includes('='))
            {
                let hash_array=hash.split('=');
                if(hash_array.length==2)
                {
                 if(hash_array[0] =='company')
                 {
                    alert(hash_array[1]);
                 }
                }
            }

url

http://xxx.test/websites#company=sample company