URI Parsing with Javascript

uri.js

/**
 * Parse URL
 *
 * @param  {String} url
 * @return {Object}
 */
parseURL = function(url) {
    var el = document.createElement("a");
    el.href = url || document.location.href;

    // var url = "http://domain.com:8080/path/to/somewhere/?foo=bar#hash"
    return {
        protocol : el.protocol,        // "http:"
        hostname : el.hostname,        // "domain.com"
        port     : el.port || "80",    // "8080"
        pathname : el.pathname,        // "/path/to/somewhere/"
        search   : el.search,          // "?foo=bar"
        hash     : el.hash,            // "#hash"
        host     : el.host             // "domain.com:8080"
    }
}