hello.js

require.paths.push('/usr/local/lib/node/');
var sys = require('sys'),
    http = require('http'),
    express = require('express'),
    jsdom = require('jsdom');

var app = express.createServer();

var responseLogic = function(req, res, callback) {
    var window = jsdom.jsdom().createWindow();

    jsdom.jQueryify(window, '/Users/ekashida/jquery-1.4.4.min.js', function (window, jquery) {
        window.jQuery('script').remove();
        callback(req, res, window);
        res.send(window.document.innerHTML);
    });
}

app.jQueryGet = function(path, callback) {
    app.get(path, function(req, res) {
        responseLogic(req, res, callback);
    });
};

// begin: app logic

app.jQueryGet('/', function(req, res, window) {
    window.jQuery('body').append('<p>foo</p>');
});

app.jQueryGet('/foo/:id', function(req, res, window) {
    var $ = window.jQuery;
    $('body').append('<p>one</p>');
    $('body').append('<p>two</p>');
    $('body').append('<p>three</p>');
    $('p:nth-child(' + req.params.id + ')').addClass('big');
});

// end: app logic

app.listen(8000);