JSFiddle - React, Tailwind, and code Playground

JavaScript

var exampleSocket = new WebSocket("ws://echo.websocket.org");
exampleSocket.onopen = function (event) {
    console.log("open");
  exampleSocket.send("hellow world"); 
};
exampleSocket.onmessage = function (event) {
  console.log(event.data);
}

exampleSocket.onerror=function(event){
    console.log("Error");
}