socket.io listen OR attach

• socket.io Server API
• nodejs -- socket.io, express-generator 시작 설정하기

var config = { host: ‘localhost’, port: 80 };
var app = express();
var http = require( ‘http’ ).createServer( {}, app ).listen( config.port );
var app.io = require(‘socket.io’).listen( http );

var config = { host: ‘localhost’, port: 80 };
var app = express();
var http = require( ‘http’ ).createServer( {}, app ).listen( config.port );

app.io = require( ‘socket.io’ )();
app.io.attach( http );