Code:

function parseURL(url) { 

    var a =  document.createElement('a'); 

    a.href = url; 

    return { 

        source: url, 

        protocol: a.protocol.replace(':',''), 

        host: a.hostname, 

        port: a.port, 

        query: a.search, 

        params: (function(){ 

            var ret = {}, 

                seg = a.search.replace(/^\?/,'').split('&'), 

                len = seg.length, i = 0, s; 

            for (;i

                if (!seg[i]) { continue; } 

                s = seg[i].split('='); 

                ret[s[0]] = s[1]; 

            } 

            return ret; 

        })(), 

        file: (a.pathname.match(/\/([^\/?#]+)$/i) || [,''])[1], 

        hash: a.hash.replace('#',''), 

        path: a.pathname.replace(/^([^\/])/,'/$1'), 

        relative: (a.href.match(/tps?:\/\/[^\/]+(.+)/) || [,''])[1], 

        segments: a.pathname.replace(/^\//,'').split('/') 

    }; 

}

UseAge:

var myURL = parseURL('http://abc.com:8080/dir/index.html?id=255&m=hello#top'); 

myURL.file;     // = 'index.html' 

myURL.hash;     // = 'top' 

myURL.host;     // = 'abc.com' 

myURL.query;    // = '?id=255&m=hello' 

myURL.params;   // = Object = { id: 255, m: hello } 

myURL.path;     // = '/dir/index.html' 

myURL.segments; // = Array = ['dir', 'index.html'] 

myURL.port;     // = '8080' 

myURL.protocol; // = 'http' 

myURL.source;   // = 'http://abc.com:8080/dir/index.html?id=255&m=hello#top'

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