melody/examples/multichat/index.html

<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>Join a channel</h3>
      <input placeholder="channel" id="channel" type="text"><button id="join">Join</button>
    </center>

    <script>
      var chan = document.getElementById("channel");
      var join = document.getElementById("join");

      join.onclick = function () {
        if (chan.value != "") {
          window.location = "/channel/" + chan.value;
        }
      };

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