Jan 2, 2012 · A constructor returns an instance of the class you call it on. A factory function can return anything. You would use a factory function when you need to return arbitrary values or when a class has a large setup process.

May 9, 2017 · Let's build an Animal factory function: const Animal = ({color = "green", numberOfLegs = 4} = {}) => { const SetColor = (newColor) => { color = newColor; }; const GetColor= => color; const GetNumberOfLegs = => numberOfLegs; const MakeSound = => console.log("Screetch"); return { GetColor, GetNumberOfLegs, MakeSound } } …

Discuss Private variables and functions concerning factory functions. Showcase object inheritance with the help of factory functions. Describe what module pattern and IIFEs are. Discuss encapsulation and how the module pattern helps with namespacing.

Jan 9, 2024 · In JavaScript, a factory function is a function that returns an object. It is a way of creating and returning objects in a more controlled and customizable manner. Factory functions are a form of design pattern that enables the creation of …

Oct 29, 2024 · Advantages of Factory Method in JavaScript Design Pattern. Abstraction and Encapsulation: The factory function encapsulates the logic for creating objects based on role, abstracting away the creation details. Users of the factory don't need to worry about the intricate creation process.

Nov 25, 2021 · In the factory pattern, we can specify the type of object being created and we do not need to explicitly require a constructor. In this article, we would take a deep dive into the factory...

Apr 24, 2022 · Factory functions can be thought of as an actual factory that takes in raw materials and produces numerous products promptly. Factory functions, on the other hand, take in specific inputs and uses those inputs to create a new object. So, how can this actually be useful to us?

Feb 17, 2015 · When you need to add functionality to an existing object, factory functions allow you to add it with ease and very little refactoring. Take a look at the code example below of a factory function. make: 'Honda',<br /> . model: 'Accord',<br /> . color: '#cc0000',<br /> .

Apr 14, 2025 · Factory Functions are functions that build and return objects based on input parameters — just like a real-world factory. Unlike creating objects manually, they solve key issues like code repetition, poor maintainability, lack …

Feb 18, 2023 · In JavaScript, the Factory Pattern can be implemented using different techniques. To showcase and factory patterns, we will develop and explain two detailed examples. For the first example, we will use a function to create different types of objects based on a parameter that is passed to it. let obj; if (type === "go") { obj = {