What sets apart these two JavaScript namespaces?

Question

What sets apart these two JavaScript namespaces?

My main goal is to expertly organize my javascript code by eliminating any global elements. I came across two namespace declaration methods in this informative post, and now I'm looking for your input on the advantages and disadvantages of each.

    var namespace1 = new function () {
        var internalFunction = function () {
        };

        this.publicFunction = function () {
        };
    };

    var namespace2 = {
        publicFunction: function () {
        }
    };

In addition, can anyone advise me on how to create a private function within the 'namespace2' method?

javascript

Answer 1

Answer №1

When deciding how to structure your object, consider the complexity of it. In most cases, the simpler approach is cleaner and less bloated. Take a look at this concise object declaration:

var namespace = {
    f1: function () {
        // Do thing 1
    },
    f2: function () {
        // Do thing 2
    }
};

This straightforward method may not allow for private functions since only functions can create scope, not object literals. However, if you prefer all methods to be "public", you can indicate that certain ones are for internal use by prefixing their names with an _. This makes it easier to unit test functions meant to be kept "private".

On the other hand, using a function to initialize the namespace provides more control over public/private access and when the "namespace" is initialized. The example given initializes it immediately with new, but you could also wait until DOM ready or after some AJAX operation has finished.

Answer 2

When deciding how to structure your object, consider the complexity of it. In most cases, the simpler approach is cleaner and less bloated. Take a look at this concise object declaration:

var namespace = {
    f1: function () {
        // Do thing 1
    },
    f2: function () {
        // Do thing 2
    }
};

This straightforward method may not allow for private functions since only functions can create scope, not object literals. However, if you prefer all methods to be "public", you can indicate that certain ones are for internal use by prefixing their names with an _. This makes it easier to unit test functions meant to be kept "private".

On the other hand, using a function to initialize the namespace provides more control over public/private access and when the "namespace" is initialized. The example given initializes it immediately with new, but you could also wait until DOM ready or after some AJAX operation has finished.

Answer 3

Answer №2

If you want to enhance encapsulation, consider encapsulating it within a closure and specifying its visibility explicitly.

module = (function(){
  function private_method() {
    //..
  }

  function publicMethod1() {
    private_method(); // able to access here
  }

  return {
    exportedPublicMethod1: publicMethod1
  };
})();

module.exportedPublicMethod1();

Answer 4

If you want to enhance encapsulation, consider encapsulating it within a closure and specifying its visibility explicitly.

module = (function(){
  function private_method() {
    //..
  }

  function publicMethod1() {
    private_method(); // able to access here
  }

  return {
    exportedPublicMethod1: publicMethod1
  };
})();

module.exportedPublicMethod1();

Answer 5

Answer №3

Confidential method within Namespace2.

Showcase private method using Revelation Pattern.

var Namespace2;

(function() {

    function confidentialMethod() {
    }

    Namespace2 = {
       showcaseMethod : confidentialMethod
    };

}());

Namespace2.showcaseMethod();

Answer 6

Confidential method within Namespace2.

Showcase private method using Revelation Pattern.

var Namespace2;

(function() {

    function confidentialMethod() {
    }

    Namespace2 = {
       showcaseMethod : confidentialMethod
    };

}());

Namespace2.showcaseMethod();

Answer 7

Answer №4

If you're looking to enhance your understanding of JavaScript closures, I highly recommend diving into them. Though they may take some time to grasp, they offer the ability to create private members within your code. Check out this article by Douglas Crockford for a straightforward explanation, as well as another one by the Mozilla team. In my own coding practices, I leverage closures and expose specific methods through namespaces. This approach has proven effective in maintaining clean and organized code structures.

Answer 8

If you're looking to enhance your understanding of JavaScript closures, I highly recommend diving into them. Though they may take some time to grasp, they offer the ability to create private members within your code. Check out this article by Douglas Crockford for a straightforward explanation, as well as another one by the Mozilla team. In my own coding practices, I leverage closures and expose specific methods through namespaces. This approach has proven effective in maintaining clean and organized code structures.

What sets apart these two JavaScript namespaces?

Answer №1

Answer №2

Answer №3

Answer №4

Similar questions

JavaScript and CSS animations out of sync in terms of timing

Modify the colors of the chartist fill and stroke using JavaScript

Faulty toggle functionality within a JavaScript-created accordion panel

Attempting to retrieve currentScript is causing a typeError to be thrown

Sending AJAX data from VIEW to CONTROLLER in PHP (MVC) using AJAX: A step-by-step guide

Issue encountered while installing npm via command line

I can't seem to figure out why my characters keep disappearing from the HTML string when I attempt to dynamically add HTML using JavaScript

Issue encountered while configuring server using express.js

Finding a problem in node.js

Modify the background color based on the length of the input in Vue

AngularJS tips for resolving an issue when trying to add duplicates of a string to an array

Deliver XML document to client from an ASP.NET MVC webpage

Utilizing jQuery for dynamic horizontal positioning of background images in CSS

When the time comes, ReactDOM will render your element into the designated container,

using a variable object to load, access data, and handle errors through mutations

The issue with Grid component in Nested Single file Component

PHP Multiple Uploads is a feature that allows users to

What steps can be taken to address an unusual conflict arising between a form post and an ajax post

How can I go about refreshing my mapbox gl source data?

increasing the size of the input thumb compared to the others