anchor.diff:    <form action="">
       <input id="m" autofocus=true autocomplete="off" /><button id="send_button">Send</button>
     </form>
  +  <button id="random_chat">Random Chat</button>
     <div id="roomname"><h6>Lobby</h6></div>
     <ul id="messages"></ul>
   </div>
  
positive.code:   // console.log("Current User: ", window.userName);
  
    var socket = io("<%= Rails.configuration.socket_url %>");
  
    socket.on('all users', function(allUsers){
      // console.log(array);
  
negative.code:     return url === null ? "none" : url;
    }
  
    socket.on('room details', function(change_room){
      $('#messages').empty();
      $('#roomname h6').text(change_room.room);
    });
  
    $('form').submit(function(){
  