前端JS解析url参数及客户端环境

//获得 GET参数

function $_GET( ) {

   var re = new RegExp("([^\&\?]*)=([^\&]*)", "i");

   var a = re.exec(document.location.search);

   window.GET = [];

while (a){

   GET[a[1]] = a[2];

   a = re.exec(document.location.search);

}

return GET;

 };

其它参数

//获得域名地址 location.origin

//获得文件路径 location.pathname

//获得hash字符串 location.hash

//获得历史页面步骤 history.length

//获得cookie  document.cookie