what is self-executing anonymous function or what is this code doing?

Question

var module = {};


(function(exports){

  exports.notGlobalFunction = function() {
    console.log(\'I am not global\');
  };  

}(module));

function notGlobalFunct         


        

Answer 1

The IIFE is adding a method to the module object that is being passed in as a parameter. The code is demonstrating that functions create scope. Methods with the same name are being added to a object and the the head object (window) of the browser.