var URLParser = (function(document) {
  var PROPS = 'protocol hostname host pathname port search hash href'.split(' ');
  var self = function(url) {
    this.aEl = document.createElement('a');
    this.parse(url);
  };
  self.prototype.parse = function(url) {
    this.aEl.href = url;
    if (this.aEl.host == "") {
      this.aEl.href = this.aEl.href;
    }
    PROPS.forEach(function(prop) {
      switch (prop) {
        case 'hash':
          this[prop] = this.aEl[prop].substr(1);
          break;
        default:
          this[prop] = this.aEl[prop];
      }
    }, this);
    if (this.pathname.indexOf('/') !== 0) {
      this.pathname = '/' + this.pathname;
    }
    this.requestUri = this.pathname + this.search;
  };
  self.prototype.toObj = function() {
    var obj = {};
    PROPS.forEach(function(prop) {
      obj[prop] = this[prop];
    }, this);
    obj.requestUri = this.requestUri;
    return obj;
  };
  self.prototype.toString = function() {
    return this.href;
  };
  return self;
})(document);

/* Main */
var out = document.getElementById('out');
var urls = [
  'https://www.example.org:5887/foo/bar?a=1&b=2#section-1',
  'ftp://www.files.com:22/folder?id=7'
];
var parser = new URLParser();
urls.forEach(function(url) {
  parser.parse(url);
  println(out, JSON.stringify(parser.toObj(), undefined, ' '), 0, '#0000A7');
});

/* Utility functions */
function print(el, text, bgColor, fgColor) {
  var span = document.createElement('span');
  span.innerHTML = text;
  span.style['backgroundColor'] = bgColor || '#FFFFFF';
  span.style['color'] = fgColor || '#000000';
  el.appendChild(span);
}
function println(el, text, bgColor, fgColor) {
  print(el, text, bgColor, fgColor);
  el.appendChild(document.createElement('br'));
}

body {
  background: #444;
}
span {
  background-color: #fff;
  border: thin solid black;
  display: inline-block;
}
#out {
  display: block;
  font-family: Consolas, Menlo, Monaco, Lucida Console, Liberation Mono, DejaVu Sans Mono, Bitstream Vera Sans Mono, Courier New, monospace, serif;
  font-size: 12px;
  white-space: pre;
}