OOP Design Patterns in Javascript

Alex Merced - Tech Evangelist
34 min readMar 1, 2024

Understanding Design Patterns in JavaScript

When it comes to writing clean, maintainable, and efficient code, design patterns play a crucial role in the world of software development. Design patterns are reusable solutions to common problems that developers face while designing and building software systems. They provide a structured approach to solving specific challenges, making it easier to create code that is not only robust but also easier to understand and maintain.

In Object-Oriented Programming (OOP), design patterns serve as guidelines for structuring your code in a way that promotes flexibility, reusability, and scalability. They encapsulate best practices and design principles that have evolved over time, distilled into proven solutions.

Categories of Design Patterns

Design patterns can be categorized into three main groups:

  1. Creational Patterns: These patterns focus on object creation mechanisms, trying to create objects in a manner suitable for the situation. They abstract the instantiation process, making it more flexible and independent of the system.
  2. Structural Patterns: Structural patterns deal with object composition, forming relationships between objects to create larger, more complex structures. They help to define how objects and classes can be combined to form new structures and provide new functionality.
  3. Behavioral Patterns

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Alex Merced - Tech Evangelist

Alex Merced is a Developer Advocate for Dremio and host of the Web Dev 101 and Datanation Podcasts.