gistfile1.js

// new crockford module1.js
(function(){
  console.log('module1');

  // return a function that logs it's
  // arguments when invoked
  return function(){
    console.log(arguments);
  };
}())


// new production.js
// unminified problem for readability
(function(){
  console.log('module1');

  // return a function that logs it's
  // arguments when invoked
  return function(){
    console.log(arguments);
  };
}())(function(){
  console.log('module2');
}());
// => module1
// => module2
// => [undefined]