JavaScript获取当前url路径

//获取当前窗口的Url
var url = window.location.href;
//结果：http://localhost:61768/Home/Index?id=2

//获取当前窗口的主机名
var host = window.location.host;
//结果：localhost:61768

//获取当前窗口的端口
var port = window.location.port;
//结果：61768

//获取当前窗口的路径
var pathname = window.location.pathname;
//结果：/Home/Index

//获取当前文档的Url
var URL = document.URL;
//结果：http://localhost:61768/Home/Index?id=2

//获取参数
var search = window.location.search;
//结果：?id=2

//跳出当前窗口,打开新窗口
window.open("http://www.baidu.com");