#!/usr/bin/env node 'use strict'; var express = require('express'); var app = express(); app.get('/', function(req, resp) { resp.send('Hello!'); }); var server = app.listen(3000, function() { var host = server.address().address; var port = server.address().port; if (/:/.test(host)) { // IPv6 literals host = '[' + host + ']'; } console.log('http://%s:%d', host, port); });