socket io options js code example
Example 1: socket io script
<script src="/socket.io/socket.io.js"></script>
<script>
const socket = io();
</script>
Example 2: socket.io documentation
const socket = new WebSocket('ws://localhost:3000');socket.onopen(() => { socket.send('Hello!');});socket.onmessage(data => { console.log(data);});