var HOST = "localhost:5000" // var HOST = "https://thawing-hamlet-8433.herokuapp.com/"; var client = new WebSocket("ws://" + HOST); client.onerror - function() { console.log("CONNECTION ERROR"); } print("TESSST"); client.onopen = function() { print("Web Socket client connected"); function sendMessage() { // if(client.readyState === client.OPEN) { client.send("HEY"); Script.setTimeout(sendMessage, 1000); // } } sendMessage(); }