var url = location.href ;
console.log(url);
// http://hogehoge.com/fuga.html

var URL = document.URL;
console.log(URL);
// http://hogehoge.com/fuga.html

var protocol = location.protocol ;
console.log(protocol);
// http:

var host = location.hostname ;
console.log(host);
// hogehoge.com

var path = location.pathname ;
console.log(path);
// /fuga.html

if(document.URL.match("/hoge/")) {
  $('body').addClass('hoge');
}