URI Parsing with Javascript

uri.js

var parseUrl = (function() {
  var parser = document.createElement('a');

  return function(url) {
    parser.href = url;

    return {
      hash: parser.hash,
      host: parser.host,
      hostname: parser.hostname,
      pathname: parser.pathname,
      port: parser.port,
      protocol: parser.protocol.replace(':', ''),
      query: parser.search,
      params: (function() {
        var params = {};

        parser.search.replace(/([^?=&]+)(=([^&]*))?/g, function($0, $1, $2, $3) {
          params[$1] = $3;
        });

        return params;
      }())
    };
  };
}());