JS对象访问私有变量作为对象

var myObject = (function() {
  var privateVar = "This is a private variable";

  function privateFunction() {
    console.log("This is a private function");
  }

  return {
    publicFunction: function() {
      console.log(privateVar);
      privateFunction();
    }
  };
})();

myObject.publicFunction(); // 输出：This is a private variable 和 This is a private function