Js Module Pattern With Code Examples

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  • Posted in Programming
  • 4 mins read

Js Module Pattern With Code Examples

With this text, we’ll have a look at some examples of methods to deal with the Js Module Pattern downside .

var counter = (operate() {
  var privateCounter = 0;
  operate changeBy(val) {
    privateCounter += val;

  return {
    increment: operate() {

    decrement: operate() {

    worth: operate() {
      return privateCounter;

console.log(counter.worth());  // 0.

console.log(counter.worth());  // 2.

console.log(counter.worth());  // 1.

The answer to the beforehand talked about downside, Js Module Pattern, will also be present in a special methodology, which can be mentioned additional down together with some code examples.

const Formatter = (operate() {
  const log = (message) => console.log(`[${Date.now()}] Logger: ${message}`);

  const makeUppercase = (textual content) => {
    log("Making uppercase");
    return textual content.toUpperCase();

  return {

We investigated a variety of use circumstances with a view to discover a answer to the Js Module Pattern downside.

What is module sample in node JS?

What is Module Pattern? The module sample is a particular Design sample wherein we use IFFI (Immediately invoked operate expression), and we return an object. Inside of that object, we will have capabilities in addition to variables.14-Jan-2022

Does JavaScript have design patterns?

JavaScript modules are essentially the most prevalently used design patterns for holding explicit items of code unbiased of different parts. This gives unfastened coupling to help well-structured code. For these which are conversant in object-oriented languages, modules are JavaScript “lessons”.21-Sept-2020

What is modular design sample?

In software program engineering, the module sample is a design sample used to implement the idea of software program modules, outlined by modular programming, in a programming language with incomplete direct help for the idea.

What is the perfect design sample in JavaScript?

Let’s see some patterns which are extra helpful on JavaScript and each senior JavaScript developer ought to know.

  • Constructor Pattern.
  • Module Pattern.
  • Revealing Module Pattern.
  • Singleton Pattern.
  • Observer Pattern.
  • Mediator Pattern.
  • Prototype Pattern.
  • Command Pattern.

What are the three sorts of design patterns in Nodejs?

There are three sorts of design patterns: Creational – the creation of the article situations. Structural – the best way the objects are designed. Behavioural – how objects work together with one another.Creational Design Patterns

  • Singleton.
  • Factory.
  • Builder.
  • Prototype.

Which are 3 sorts of modules obtainable in node JS?

Types of Modules in Nodejs:

  • Core Modules.
  • native Modules.
  • Third-party Modules.

What are the three sorts of patterns?

There are primarily three sorts of design patterns:

  • Creational. These design patterns are all about class instantiation or object creation.
  • Structural. These design patterns are about organizing completely different lessons and objects to kind bigger buildings and supply new performance.
  • Behavioral.

What is a JS sample?

What is a Pattern? A sample is a reusable answer that may be utilized to generally occurring issues in software program design – in our case – in writing JavaScript internet purposes. Another method of patterns are as templates for the way we clear up issues – ones which can be utilized in fairly a number of completely different conditions.

What are the 4 important sorts of sample utilized in design?

Gang of Four Design Patterns

  • Abstract Factory. Allows the creation of objects with out specifying their concrete sort.
  • Builder. Uses to create advanced objects.
  • Factory Method. Creates objects with out specifying the precise class to create.
  • Prototype. Creates a brand new object from an present object.
  • Singleton.

What is modular design sample JavaScript?

The Module Pattern is among the essential patterns in JavaScript. It is a generally used Design Pattern which is used to wrap a set of variables and capabilities collectively in a single scope. It is used to outline objects and specify the variables and the capabilities that may be accessed from outdoors the scope of the operate.

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