RocketCourses/socketio-2023/grpchat/grpc.html at dev · regdocs/RocketCourses · GitHub

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<!DOCTYPE html>
<html>
  <head>
    <title>Socket.IO chat</title>
    <style>
      body { margin: 0; padding-bottom: 3rem; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }

      #form { background: rgba(0, 0, 0, 0.15); padding: 0.25rem; position: fixed; bottom: 0; left: 0; right: 0; display: flex; height: 3rem; box-sizing: border-box; backdrop-filter: blur(10px); }
      #input { border: none; padding: 0 1rem; flex-grow: 1; border-radius: 2rem; margin: 0.25rem; }
      #input:focus { outline: none; }
      #form > button { background: #333; border: none; padding: 0 1rem; margin: 0.25rem; border-radius: 3px; outline: none; color: #fff; }

      #messages { list-style-type: none; margin: 0; padding: 0; }
      #messages > li { padding: 0.5rem 1rem; }
      #messages > li:nth-child(odd) { background: #efefef; }
    </style>
  </head>
  <body>
    <ul id="messages"></ul>
    <form id="form" action="">
      <input id="input" autocomplete="off" />
      <button>Send</button>
    </form>
    <script src="https://cdn.socket.io/4.5.4/socket.io.min.js"></script>
    <script>
        var io = io()

        var messages = document.getElementById("messages")
        var form = document.getElementById("form")
        var input = document.getElementById("input")

        form.addEventListener('submit', (e) => {
            e.preventDefault()

            io.emit('msg', input.value)
            input.value = ""
        })

        io.on('msg', (msg) => {
            console.log(msg)
            var list_item = document.createElement('li')
            list_item.textContent = msg
            messages.appendChild(list_item)
        })
    </script>
  </body>
</html>