A successful WebSocket server and client set

EchoTest.cs

using UnityEngine;
using UnityEngine.UI;
using System.Collections;
using System;

public class EchoTest : MonoBehaviour {

    WebSocket w;
    int myid = -1;
    public Text output;
    bool isConnected = false;
    

    // Use this for initialization
    IEnumerator Start () {
        //myid = UnityEngine.Random.Range(0, 10000);
        w = new WebSocket(new Uri("ws://localhost:8080"));
        yield return StartCoroutine(w.Connect());
        StartCoroutine(SendSomething());
        while (true)
        {
            string reply = w.RecvString();
            if (reply != null)
            {
                if (reply.StartsWith("id:"))
                {
                    myid = int.Parse(reply.Substring(3));
                    isConnected = true;
                }
                Debug.Log ("Received: "+reply);
                output.text += reply;
            }
            if (w.error != null)
            {
                Debug.LogError ("Error: "+w.error);
                output.text += w.error;
                break;
            }
            yield return 0;
        }
    }

    IEnumerator SendSomething()
    {
        while (true)
        {
            if (isConnected)
            {
                w.SendString(string.Format("me:{0}", myid));
            }
            yield return new WaitForSeconds(1);
        }
    }

    private void OnApplicationQuit()
    {
        w.Close();
    }
}

server.js

const WebSocket = require('ws');

const wss = new WebSocket.Server({ port: 8080 });

var latestid = 0;

wss.on('connection', function connection(ws) {
  ws.send('id:' + latestid);
  latestid += 1;
  ws.on('message', function incoming(message) {
    console.log('received: %s', message);
    // Broadcast to everyone else.
    wss.clients.forEach(function each(client) {
      if (client !== ws && client.readyState === WebSocket.OPEN) {
        client.send(message);
      }
    });
  });

  ws.on('close', function close() {
    console.log('disconnected');
  });


});