javascript - 显示模块模式 : Where to insert variables for module access

Question

我正在学习揭示模块模式，并且我正在尝试创建一个可重用的函数。 (在我的项目中，该函数将使页面滚动。我认为没有必要在这里发布整个代码。我只是提出概念。)

基本概述是，有一个函数不会返回任何内容。不需要公共(public)变量。这是代码。问题在代码中的注释处:

JSFiddle

var MyModule = (function() {
  // Is this the correct place to insert the
  // variables that will be used throughout 'MyModule'?
  var foo = 'foo',
    foo2 = 'foo2',
    param1 = null;

  var MyModule = function(_param1) {
    param1 = _param1;

    logParam();
  };

  function init() {
    foo = 'something';
  }

  function logParam() {
    console.log(param1);
  }

  init();

  return MyModule;
})();

var module = new MyModule('Some Paramater');

// Is this okay? Does it still follow reveal module pattern?
MyModule('Some Other Paramater');
// Or do I always have to do like this:
var module = new MyModule('Some Paramater');

Answer 1

The Module Reveal Pattern provides both private and public encapsulation.

下面是一个带有一些解释性注释的示例。

有关包含模块显示模式的 JavaScript 模式的更多信息可以找到 here

var myRevealingModule = (function () {
        // below are private variables and functions that are not accessible outside the module this is possible thanks to a javascript closure
        var privateVar = "Ben Cherry",
            publicVar = "Hey there!";
 
        function privateFunction() {
            console.log( "Name:" + privateVar );
        }
        // below are public functions, they will be publicly available as they are referenced in the return statement below
        function publicSetName( strName ) {
            privateVar = strName;
        }
 
        function publicGetName() {
            privateFunction();
        }
 
 
        // Reveal public pointers to
        // private functions and properties
 
        return {
            setName: publicSetName,
            greeting: publicVar,
            getName: publicGetName
        };
 
    })();
 
myRevealingModule.setName( "Paul Kinlan" );
console.log(myRevealingModule.greeting);// public
console.log(myRevealingModule.getName());// public
//console.log(myRevealingModule.privateFunction());// private, you cannot access it