console.info("document.URL=" + document.URL);
    console.info("document.location.href=" + document.location.href);
    //console.info("document.base=" + document.base);  //这是错的!
    console.info("document.location=" + document.location);
    console.info("self.location.href=" + self.location.href);
    console.info("top.location.href=" + top.location.href);
    console.info("location.hostname=" +  location.hostname);
    console.info("window.location.host=" +  window.location.host);
    console.info("window.location.pathname=" +  window.location.pathname);
原文:http://www.cnblogs.com/satcup/p/4293472.html