Module Pattern

main.js

ModuleName.methodName();

ModuleName.anotherMethodName();

ModuleName.js

var ModuleName = (function(){
  var methodName = function(){
    // do something...
  };
  var anotherMethodName = function(){
    // do something else...
  };
  
  return {
    methodName: methodName,
    anotherMethodName: anotherMethodName
  };
  
})();