Question

我正在学习揭示模块模式，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。我不认为有必要在这里发布整个代码。我只是把这个概念。）

基本概述是，有一个函数不会返回任何内容。公共变量不需要。这是代码。问题出在代码中的注释中：

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

Module Reveal Pattern提供私有和公共封装。

下面是一个带有一些解释性评论的例子。

有关JavaScript模式的更多信息可以找到模块显示模式here

＆＃13;

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

＆＃13;

Answer 2

回答你的意见：

// Is this okay? Does it still follow reveal module pattern?
MyModule('Some Other Paramater');

是的，没关系。如果你想要你的揭密模块模式＆＃34; MyModule ＆＃34;必须是自我封闭的：

var MyModule = function(param1) {
    var myPlublicFunction = function(){
    }

    return {
      myPlublicFunction: myPlublicFunction
    };
}(); //selfclosing

OR

// Or do I always have to do like this:
var module = new MyModule('Some Paramater');

如果您需要，您的揭密模块模式＆＃34; MyModule ＆＃34;必须不是自我封闭：

var MyModule = function(param1) {
    var myPlublicFunction = function(){
    }

    return {
      myPlublicFunction: myPlublicFunction
    };
}; // not selfclosing

我希望它有所帮助

显示模块模式：在何处插入模块访问的变量

JSFiddle

2 个答案: