<html> <head> <title>Melody example: chatting</title> </head> <style> #chat { text-align: left; background: #f1f1f1; width: 500px; min-height: 300px; padding: 20px; } </style> <body> <center> <h3>Chat</h3> <pre id="chat"></pre> <input placeholder="say something" id="text" type="text"> </center> <script> var url = "ws://" + window.location.host + "/ws"; var ws = new WebSocket(url); var name = "Guest" + Math.floor(Math.random() * 1000); var chat = document.getElementById("chat"); var text = document.getElementById("text"); var now = function () { var iso = new Date().toISOString(); return iso.split("T")[1].split(".")[0]; }; ws.onmessage = function (msg) { var line = now() + " " + msg.data + "\n"; chat.innerText += line; }; text.onkeydown = function (e) { if (e.keyCode === 13 && text.value !== "") { ws.send("<" + name + "> " + text.value); text.value = ""; } }; </script> </body> </html>