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<len;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('/')
    };
    }

    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'