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- var app = require('express')();
- var http = require('http').Server(app);
- var io = require('socket.io')(http);
- var usernames = {};
- app.get('/', function(req, res){
- res.sendfile('index.html');
- });
- http.listen(3000, function(){
- console.log('listening on *:3000');
- });
- io.on('connection', function (socket) {
- socket.on('adduser', function(username){
- socket.username = username;
- socket.broadcast.emit('updatechat', 'SERVER', username + ' has connected to this room' + '<hr>');
- socket.emit('welcomeuser', 'SERVER Welcome', username + '<hr>');
- });
- console.log('a user connected');
- socket.on('disconnect', function () {
- console.log('user disconected');
- });
- socket.on('chat-message', function (message) {
- console.log('message : ' + message.text);
- //excludes "socket" from getting the emit
- socket.broadcast.emit("chat-message",message);
- });
- });
- var username = "";
- var socket = io();
- socket.on('connect', function(){
- socket.emit('adduser', prompt("What's your name?"));
- });
- socket.on('updatechat', function (username, data) {
- $('#chatlog-display-div').append('<b>'+username + ':</b> ' + data + '<br>');
- });
- socket.on('welcomeuser', function(username, data){
- jQuery("#chatlog-display-div").append( username +'<hr>');
- });
- $('form').submit(function(e) {
- e.preventDefault();
- //gets the value from the message text feild and sets it as the message var
- var message = {
- text : $('#chat-box-div-txtinpt').val()
- }
- if (message.text.trim().length !== 0) {
- socket.emit('chat-message',message);
- //append the message to the chatlog-display-div
- $('#chat-box-div-txtinpt').focus().val('');
- jQuery("#chatlog-display-div").append('<div>'+message.text+'</div><hr>');
- }
- });
- //clear the value of the txtinput after you focus it.
- socket.on('chat-message', function (message) {
- jQuery("#chatlog-display-div").append('<div>'+message.text+'</div><hr>');
- });
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