Socket.io does not work on Firefox & Chrome

Question

I\'m trying to develop a simple chat application. Here is my chat.js file.

var app = require(\'http\').createServer(handler)
, io = require         


        

Answer 1

I think this will help to know about the issue, and how it fixes I searched lot for it and finally I got it

What does "xhr-polling" config do in socket.io?

thank you