This example will show you how to create a socket IO server and client using Node.js , it will demonstrate how to setup a socket IO server, and how to send socket message to server. Let’s try creating below folders: example under {your_node.js_installed_path}\nodejs\ demo5 under {your_node.js_installed_path}\nodejs\examples\   Then, create below 2 js files under {your_node.js_installed_path}\nodejs\examples\demo5\