[转]异类的Javascript处理和解析URL的方式

    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‘