Client can not see updated data when connects to server application

[mehdi]

io.sockets.on('connection', function (socket) {
  console.log('Webpage connected'); //Confirmation that the socket has connection to the webpage
  mySocket = socket;
});

//UDP server on 41181
var dgram = require("dgram");
var server = dgram.createSocket("udp4");

server.on("message", function (msg, rinfo) {
  console.log("Broadcasting Message: " + msg); //Display the message coming from the terminal to the command line for debugging
  if (mySocket != 0) {
     mySocket.emit('field', "" + msg);
     mySocket.broadcast.emit('field', "" + msg); //Display the message from the terminal to the webpage
  }
});