JS获取url参数、主域名的方法实例分析

<script>
alert(location.hostname)
alert(location.port)
alert(location.pathname)
alert(location.search)
</script>
<script>
function winsx(url) //URL传递的参数
{
 var winurl =url?url:(unescape(window.location.href));
 var wlp = winurl.split("?")[1];
 var wincs = wlp.split("&");
 for(var i=0; i<wincs.length; i++)
 {
  var tur = wincs[i].split("=");
  eval('this.'+tur[0]+'="'+tur[1]+'";');
 }
}
var ug = new winsx("http://www.yourname.com/aa/bb.php?val=11&test=2");
alert(ug.val)
alert(ug.test)
</script>