function UrlOption(url) {

        this.url = url || '';

        this.init();

        this.change = function (url) {

            this.url = url

            this.init();

        }

        this.getParams = function (name) {

            var list = this.search.split('&'),params={},param

            list.forEach(function (v) {

                var param = /^([^&#*]*)+=([^&#]*)+/.exec(v)

                if(param[1]) params[param[1]] = param[2]?param[2]:''

            })

            return name?params[name]:params

        }

    }

    UrlOption.prototype.init = function() {

        if(!this.url) return '';

        this.search = this.url.split('?')[1]

        var host = /^([a-zA-Z]+:\/\/)?((www\.)?[^#&\/:]+(:(\d{1,5}))?)(\/.+)?$/.exec(this.url),

            protocol = /^([a-zA-Z]+):\/\/(www\.)?.+$/.exec(this.url)

        this.host = host ? host[2]:''

        this.protocol = protocol ? protocol[1] : ''

        this.port = host ? host[5] : ''

        this.pathname = host ? host[6] : ''

    }

    var opt = new UrlOption('http://www.segmentf.sdfault.us:50/a/1190000004641602?12=12&23=23#s');

    console.log(opt)