Example gist for testing import into web page

example-gist.js

var myModule = (function(w) {

  var internal = "I'm hidden",
  
  privateMethod = function() {
    return "Message is " + internal;
  },
  
  publicMethod = function() {
    return privateMethod().replace('hidden', 'visible');
  };
  
  return {
    publicMethod: publicMethod
  };

})(window);

myModule.publicMethod();