var minify = require('express-minify'); var express = require('express'); var app = express(); var responseJS = "(function(window, undefined)\n" + "{\n" + "\n" + " var hello = 'hello';\n" + "\n" + " var world = 'world';\n" + "\n" + " alert(hello + world);\n" + "\n" + "})(window);" app.use(minify()); app.get('/response.js', function(req, res) { res.setHeader('Content-Type', 'application/javascript'); res.end(responseJS); }); app.listen(8080);