node-express-chat/ClientPage.html at master · jitenderbadoni/node-express-chat · GitHub

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<html>
<script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/2.0.4/socket.io.js"></script>
<script src="https://code.jquery.com/jquery-1.11.1.js"></script>
<script>
  $(function () {

	//Change URL here
    var socket = io('http://localhost:3000');
    $('form').submit(function(){
      socket.emit('sendMessage', $('#m').val());
	  var data = $('#m').val();
	  document.getElementById('messages').innerHTML += "<br>Send : "+data;
      $('#m').val('');
      return false;
    });

	socket.on('onReceive', (data)=>{
		document.getElementById('messages').innerHTML += "<br> Receive : "+data;
	})
  });
</script>
<style>
      * { margin: 0; padding: 0; box-sizing: border-box; }
      body { font: 13px Helvetica, Arial; }
      form { background: #000; padding: 3px; position: fixed; bottom: 0; width: 100%; }
      form input { border: 0; padding: 10px; width: 90%; margin-right: .5%; }
      form button { width: 9%; background: rgb(130, 224, 255); border: none; padding: 10px; }
      #messages { list-style-type: none; margin: 0; padding: 0; }
      #messages li { padding: 5px 10px; }
      #messages li:nth-child(odd) { background: #eee; }
    </style>
  <body>
    <ul id="messages"></ul>
    <form action="">
      <input id="m" autocomplete="off" /><button>Send</button>
    </form>
  </body>
</html>