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  • 2026/10/3 -If a class only has a constructor, it is not much different from a createX factory function which just creates plain objects. However, the power of classes is ...

    2026/10/7 -... JavaScript variable scope (let/const vs var) ... What is the difference between a factory function and a constructor function in JavaScript?

    2026/9/2 -Understanding when to reach for a Builder versus a constructor or a Factory method requires understanding what problem each one solves. A constructor is the ...

    2026/9/28 -Client code calls the factory to get an object without needing class details. ... The constructor is private or protected to prevent external instantiation.

    2026/11/2 -Factory: decides which object to create (Email, SMS or Push). Creation happens in one step. Builder: decides how to construct one complex object, step by step.

    2026/9/24 -Rather than by calling a constructor, this is accomplished by invoking a factory method to create an object. Factory methods can be specified in an ...

    2026/9/14 -The Factory Method is a creational design pattern that defines an interface for creating objects but lets subclasses decide which object to instantiate.

    2026/9/26 -When you create a class instance, it creates a JavaScipt object, fills in any properties (data fields) that you've initialized, and also adds a special pointer ...

    2026/9/18 -A Factory moves construction and configuration behind a function, so the caller doesn't own the setup procedure or depend directly on implementation details. In ...

    2026/8/24 -The Factory Method Pattern moves that object creation behind a dedicated method. We start by creating an abstract notification factory. The sendNotification ...