node js 关于修改端口问题

如题，请教node js如何修改端口。
如题，请教node js如何修改端口。

如题，请教node js如何修改端口。

http.createServer(onRequest).listen(8080);

http://m.blog.csdn.net/blog/yuxiangji/23860687

 http = require 'http'

openedSockets=[]
isClosing=false

onServerClose=()->
    console.log 'Server port released'
    isClosing=false
    server.listen 8002, '127.0.0.1'
    console.log 'Server running at http://127.0.0.1:8002/'

connListener=(req, res)->
    res.writeHead 200, {'Content-Type': 'text/plain'}
    res.end 'Hello World\n'

    if req.url is '/change'
        console.log "try closing"
        isClosing=true
        server.close onServerClose

        for socket in openedSockets
            socket.end ()->
                socket.destroy


server = http.createServer connListener

server.on 'connection',(socket)->
    openedSockets.push socket

server.listen 8001, '127.0.0.1'
console.log 'Server running at http://127.0.0.1:8001/'