demonstrate bug with jsdom and jsquery. 1382 value may need to be tweaked to tickle bug.

package.json

{
    "name": "test",
    "version": "0.0.1",
    "dependencies": {
        "jsdom": "*",
        "jquery": "*"
    }
}

test.js

var jsdom = require('jsdom'),
    jquery = require('jquery'),
	Emitter = require('events').EventEmitter;


function setupAction(id) {
	var emitter = new Emitter();
	console.log('setting up', id);
	return {
		emitter: emitter,
		act1: function() {
			var window = jsdom.jsdom().createWindow(),
				jQuery = jquery.create(window);
				setTimeout(function() {
						emitter.emit('output', id);
						window.close();
				}, Math.floor(Math.random() * 10));
		},
		act2: function() {
			setTimeout(function() {
					emitter.emit('output', id);
			}, Math.floor(Math.random() * 10));
		}
	};
}

var id = 1;
function build() {
	var output = setupAction(id++);
	output.emitter.on('output', function(data) {
		console.log('got', data);
	});
	output.act1();

	if (id < 1382) {
		setTimeout(build, Math.floor(Math.random() * 1));
	} else {
		return;
	}
}

build();