chatrt/index.html at master · Edwik/chatrt · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Chat RealTime</title>
	<script src="/socket.io/socket.io.js"></script>
	<script src="https://code.jquery.com/jquery-3.1.0.min.js"></script>
	<style>
		*{
			padding: 0px;
			margin: 0px;
			-webkit-box-sizing: border-box;
			-moz-box-sizing: border-box;
			box-sizing: border-box;
		}
		body{
			font-family: Verdana;
		}
		ul{
			display: block;
			list-style-type: none;
			padding: 20px;
			background-color: #000;
			color: #fff;
		}
		#controls{
			position: absolute;
			bottom: 0px;
			left: 0px;
			border-top: 2px #333 solid;
			display: block;
			width: 100%;
		}
		#controls #msj{
			display: block;
			padding: 20px;
			float: left;
			width: 85%;
			font-family: 'Verdana';
			font-size: 14pt;
		}
		#controls #btn{
			display: block;
			float: right;
			padding: 20px;
		}
		#controls #channel{
			display: block;
			width: 100%;
			font-size: 14pt;
		}
	</style>
</head>
<body>
	<script type="text/javascript">
		var socket = io();

		$(function(){
			$("form").submit(function(){
				var mensaje = $("#msj").val();
				if(mensaje=='') return false;
				//evento mensaje en el servidor node.js
				socket.emit('message',mensaje);
				$("#msj").val('').focus();
				return false;
			});

			$("#channel").change(function(){
				socket.emit('change channel',$("#channel").val());
			});

		});

		//escuchamos el evento message
		socket.on('message',function(msg,id){
			$('#message').append($('<li>').text(id+' : ' +msg));
		});

		socket.on('change channel',function(channel){
			//limpiar pantalla
			$("#message").html('').append($('<li>').text('System : Bienvenido al canal '+channel+'!'));
		});

	</script>
	<ul id="message">

	</ul>
	<div id="controls">
		<form action="">
			<select name="channel" id="channel">
				<option value="universidad">Universidad</option>
				<option value="salon">Salon</option>
			</select>
			<input type="text" id="msj" placeholder="Escribe tu mensaje..." autocomplete="off">
			<input type="submit" id="btn" value="enviar">
		</form>
	</div>
</body>
</html>