ctor.js

var MyNamespace = function() {
  private_hello = function() {
    alert("hello");
  }

  sayHello = function() {
    // We're in the same lexical scope, no this needed
    private_hello();
  }

  // This is the namespace obj. Include only the public funs
  return {hello: sayHello};
}

// Instantiation required
var obj = new MyNamespace();
obj.hello();

instant_eval.js

MyNamespace = (function() {
  // private, not exported
  var private_hello = function() {
    alert("hello");
  }

  // functions defined here will be exported
  var public = {
    hello: function() {
      // We're in the same lexical scope, no this needed
      private_hello();
    }
  };

  return public;
})();

MyNamespace.hello();

obj.js

var MyNameSpace = {
  function1: function() {
    alert("hello");
  },

  function2: function() {
    this.function1();
  }
}

MyNamespace.function2();

state_and_behaviour.js

var NS = {
  _state: {initial: 0},
  something: function() { this._state.initial++ }
}


NS.something();