Example how to use websockets

Server runs on port 4001

To connect from Chrome, you need to run the following commands through the console

let socket = new WebSocket("ws://localhost:4001/order")
socket.onmessage = (event) => {console.log("received from the server: ", event.data)}

simple example of broadcasting message

let socket = new WebSocket("ws://localhost:4001/ws")
socket.send("hi")