const WebSocket = require('ws')
const url = 'ws://localhost:9000'
const connection = new WebSocket(url)
 
connection.onopen = () => {
  connection.send("Message From Client") 
}
 
connection.onerror = (error) => {
  console.log("WebSocket error:", error)
}
 
connection.onmessage = (e) => {
  console.log(e.data)
}