JS Design Pattern - Singleton

singleton-desingPattern.js

var singleton = (function () {

  var singletonInstance;

  function create () {
    var singletonPrivateVariable = 'Private variable'

    function singletonMethod() {
      // Method
    }

    function otherSingletonMethod() {
      //Method
    }

    return {
      singletonProperty: 'singletonProperty',
      otherSingletonProperty: 'otherSingletonProperty',
      otherSingletonMethod: singletonMethod,
      otherSingletonMethod: otherSingletonMethod
    };
  }

  return {
    getInstance: function() {
      if(!singletonInstance) {
        singletonInstance = create();
      }
      return singletonInstance;
    }
  };

})();

var singletonObj = singleton.getInstance();