本文实例讲述了JS获取url参数、主域名的方法。分享给大家供大家参考，具体如下：
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alert(location.hostname)
alert(location.port)
alert(location.pathname)
alert(location.search)
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function winsx(url) //URL传递的参数
{
var winurl =url?url:(unescape[removed].href));
var wlp = winurl.split(?)[1];
var wincs = wl
