Update 'index.js'

index.js

@@ -5,12 +5,12 @@ var io = require('socket.io')(http);
 
 
 
-const cors = require('cors')
+const cors = require('cors')// epitrepi sundeseis apo cross origin
 app.use(cors());
 
 io.on('connection', s => {
       console.error('socket connection');
-
+                 //perimeno na steilei dedomena o client kai otan ta steilei ta ektuponi.
    io.on('data', function(s) {
         console.log('Got', s);
     })
@@ -19,4 +19,4 @@ io.on('connection', s => {
 
 
 http.listen(5000, () => console.error('listening on http://localhost:5000/'));
-console.error('socket.io example');
+console.error('socket.io example');