socket.io multiples fix

client.js

'use strict';

var  reconnection = true,
    reconnectionDelay = 5000,
    reconnectionTry = 0;

function initClient() {
  connectClient();
}

function connectClient() {
  var socket = "";
  socket = io.connect('http://localhost:3000');
  
    socket.on('connect', function (e) {
      routesClient(socket);
    });
    
    socket.on("connect_error", function(e){
        reconnectionTry++;
        console.log("Reconnection attempt #"+reconnectionTry);
    });
  
  return false;
}

function routesClient(socket){
  console.log('connected');
  
  socket.on('test', function (e) {
    console.log(e);
    socket.emit("test", "pong");
  });
  
  socket.on('disconnect', function () {
    socket.disconnect();
    console.log("client disconnected");
    if(reconnection === true) {
            setTimeout(function () {
                    console.log("client trying reconnect");
                    connectClient();
                }, reconnectionDelay);
        }
  });
  
  return false;
}

 window.onload = function () {
   initClient();
 };

server.js

var io = require('socket.io').listen(server);

var clients = {};

io.sockets.on('connection', function (socket) {
  clients[socket.id] = socket;
  
  console.log('a user connected: ' + socket.id);
  socket.emit("test", "ping");
  
  socket.on('test', function (e) {
    console.log(e);
  });
  
  socket.on("disconnect",function(data){
    delete clients[socket.id];
  });
});