Javascript Parse URL Function | Lucentminds Web Development

var parseURL = function (uri){
   var url;
   if (typeof uri == 'undefined') {
      uri = location.href;
   }
   else if (uri[0] == '/'){
      uri = location.host + uri;
   }
   
   url = uri.match(/^([^:]*:\/\/)?([^:]*:[^@]*@)?([^\/:]*\.[^\/:]*)?(:[^\/]*)?(\/[^?#]*)?(\?[^#]*)?(#.*)?$/i);
   delete url.input;
   
   url.protocol = ((url[1])?url[1]:'http://').split('://')[0];
   url.user = (url[2])?url[2].split(':')[0]:undefined;
   url.password = (url[2])?url[2].split(':')[1].split('@')[0]:undefined;
   url.host = (url[3])?url[3]:location.host;
   url.hostname = url.host;
   url.port = (url[4])?((isNaN(parseInt(url[4].split(':')[1])))?80:parseInt(url[4].split(':')[1])):80;
   url.path = (url[5])?url[5]:'/';
   url.pathname = url.path;
   url.search = (url[6])?url[6].split('?')[1]:undefined;
   url.query = url.search;
   url.fragment = (url[7])?url[7].split('#')[1]:undefined;
   url.hash = url.fragment;
   url.href = ''
      + url.protocol + '://'
      + ((url.user)?url.user+':'+url.password+'@':'')
      + url.host
      + ((url.port != 80)?':'+url.port:'')
      + url.path
      + ((url.search)?'?'+url.search:'')
      + ((url.fragment)?'#'+url.fragment:'');
      
   return url;
}// /parseURL()
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