window对象

传参前边的URL：window.location.origin
origin: "https://blog.csdn.net"

域名 + 端口：window.location.host
host: "blog.csdn.net"

当前URL：window.location.href
href: "https://blog.csdn.net/xh_960125/article/details/105140442"

协议：window.location.protocol
protocol: "https:"

域名：window.location.hostname
hostname: "blog.csdn.net"

端口：window.location.port
port: ""

路径部分：window.location.pathname
pathname: "/xh_960125/article/details/105140442"

请求的参数：window.location.search
search: ""