Format document

Author: MartinChavez

13 - Socket.io.js

@@ -1,17 +1,17 @@
 /* Web Sockets */
 /*
-- Web sockets allow the creation of connections between clients and server.
-- On these connections data can flow (back adn forward) in real time
-*/
+ - Web sockets allow the creation of connections between clients and server.
+ - On these connections, data can flow (back and forward) in real time
+ */
 
 /* Socket.io */
 /*
-- Great tool for real-time applications
-- Provides fall-backs in case the client doesn't support web sockets
+ - Great tool for real-time applications
+ - Provides fallbacks in case the client doesn't support web sockets
 
-Install by running:
-npm install --save socket.io
-*/
+ Install by running:
+ npm install --save socket.io
+ */
 var express = require('express');
 var app = express();
 // Create an http server and dispatch the requests to express
@@ -20,34 +20,34 @@ var server = require('http').createServer(app);
 var io = require('socket.io')(server);
 
 // Listen for connection events (on socket.io) and define the callback function
-io.on('connection', function(client){
+io.on('connection', function (client) {
     console.log('Client connected...');
     // Emits the 'messages' event on the clients and sends the object {socket:io}
-    client.emit('messages', {socket:'i.o'})
+    client.emit('messages', {socket: 'i.o'})
 
-    client.on('fromClient', function(data){
+    client.on('fromClient', function (data) {
         console.log(data);
         // Use broadcast to send a message to all the clients that are connected
-        client.broadcast.emit("fromServer", {fromServer:'fromServer'});
+        client.broadcast.emit("fromServer", {fromServer: 'fromServer'});
     });
 
 })
 
-app.get('/', function(req,res){
+app.get('/', function (req, res) {
     res.sendFile(__dirname + '/socket.html');
 });
 
 server.listen(8080);
 
 /*
-Run the following cmd to start node and create the scoket.io server:
- node '.\13 - Socket.io.js'
+ Run the following cmd to start node and create the scoket.io server:
+ node '13 - Socket.io.js'
 
-- See socket.html for client-side code
+ - See socket.html for client-side code
 
-On your browser: localhost:8080
+ On your browser: localhost:8080
 
-Expected response:
+ Expected response:
  - console.log with "i.o", numbers should be printed
  - On node, the numbers should keep counting up
  */