1. 获取整个url: console.log(window.location.href) http://localhost:8082/Index.html?name=tom
2. 获取域名加端口号: console.log(window.location.host); localhost:8082
3. 获取域名: console.log(document.domain); localhost
4. 获取端口号: console.log(window.location.port); 8082
5. 获取协议: console.log(window.location.protocol); http:
6. 获取页面相对路径 console.log(window.location.pathname); /Index.html
7. 获取url中?后边的部分 console.log(window.location.search); name=tom