Need simple data push to browser using node.js

Question

On the server side, I use node.js to do some distributed asynchronous ping-pong. I now need to display the results as a real-time chart in a client browser. To keep things s

Answer 1

Every two seconds server generates a random number r1 in [0,100], then messages client to draw a piechart with r1 and r2=100-r1. Yet to implement the broadcast suggested for multiple clients. Any other suggestions for improvements welcome.

Server side (in coffeescript):

http = require('http')
io = require('socket.io')

server = http.createServer( )

server.listen(8000)

socket = io.listen(server)

myrand = (client) -> setInterval( -> 
    r1 = Math.floor(Math.random()*101)
    r2 = 100-r1
    client.send(String(r1) + ',' + String(r2))
, 2000)

socket.on('connection', (client) -> myrand(client))

Client side (index.html with javascript):

My socket client




Hello World