gistfile1.js

 var MyCompany = MyCompany || {};
    MyCompany.MyProject = MyCompany.MyProject || {};
    MyCompany.MyProject.MyAmazingJavaScriptLibrary = MyCompany.MyProject.MyAmazingJavaScriptLibrary || {};

    MyCompany.MyProject.MyAmazingJavaScriptLibrary.CoolStuffForKicks = function() {
       //stuff in here is not exposed globally unless explicitly returned as such
       var _iAmNotGlobalDude = function() {
           console.log('Totally private. I am not running for no one external from this script ');
       };

       var _iAmNotGlobalButIDoRunAutomatically = function() {
           console.log('I am private, but I get run once on script load "automatically"! ');
       }();

       var _iAmPrivateButIGetExposedGloballyByTheReturnStatement = function() {
           console.log('I am private, but I get Exposed globally by the function return! ');
       };

       return {
           GlobalExposedPrivates:_iAmPrivateButIGetExposedGloballyByTheReturnStatement
       };
    }(); ​