node.js - how to make a simple live page update?

Question

I\'m very very new to node.js, but there\'s actually only one simple thing that I am trying to achieve by learning the language.

I\'d like to create a webpage, where

Answer 1

Take a look at Socket.IO http://socket.io/#how-to-use

when the server decides to broadcast a change use:

io.sockets.emit('update-msg', { data: 'this is the data'});

on the client first connect socket.io and then wait for the "update-msg" event and update your dom:

var socket = io.connect('http://localhost');
socket.on('update-msg', function (msg) {
    console.log(msg);
    $('#mydiv').html(msg.data)
});