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Parte 1 | Creando un sistema de chat sobre NodeJS con Socket.IO, ExpressJS, MongoDB, Foundation y Openshift
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Chat room</title> | |
| </head> | |
| <body> | |
| <h3>Messages:</h3> | |
| <ul id="list-msgs"> | |
| </ul> | |
| <textarea id="new-msg" cols="30" rows="5" placeholder="New message"></textarea> | |
| <script src="http://code.jquery.com/jquery-1.11.1.js"></script> | |
| <script src="/socket.io/socket.io.js"></script> | |
| <script> | |
| var socket = io(); // Inicializamos socketIO en el cliente | |
| /** | |
| * Listener para el evento 'chat message' | |
| * Notese que es el mismo evento que se envia | |
| * desde el servidor. | |
| * Agregamos el mensage entrante a la lista. | |
| */ | |
| socket.on('chat message', function (msg) { | |
| $('#list-msgs').append( $('<li>').text(msg) ); | |
| }); | |
| /** | |
| * Emitimos un evento de tipo 'chat message' cada vez | |
| * que se presiona 'Enter' en el textarea y enviamos | |
| * su contenido como mensaje. | |
| */ | |
| $('#new-msg').keyup(function (evt) { | |
| if (evt.keyCode === 13) { | |
| socket.emit('chat message', $('#new-msg').val()); | |
| $('#new-msg').val(''); | |
| } | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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