go-websockets-tutorial/index.html at master · TutorialEdge/go-websockets-tutorial · GitHub

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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>Go WebSocket Tutorial</title>
  </head>
  <body>
    <h2>Hello World</h2>

    <script>
        let socket = new WebSocket("ws://127.0.0.1:8080/ws");
        console.log("Attempting Connection...");

        socket.onopen = () => {
            console.log("Successfully Connected");
            socket.send("Hi From the Client!")
        };

        socket.onclose = event => {
            console.log("Socket Closed Connection: ", event);
            socket.send("Client Closed!")
        };

        socket.onerror = error => {
            console.log("Socket Error: ", error);
        };

    </script>
  </body>
</html>