window location的属性说明
var href = window.location.href;//完整的url
var protocol = window.location.protocol;//协议
var hostname = window.location.hostname;//主机名
var host = window.location.host;//主机名+端口号
var port = window.location.port;//端口号
var pathname = window.location.pathname;//当前URL的路径部分
var search = window.location.search;//路径的查询部分
var hash = window.location.hash;//开始的锚点
结果