From Repetitive to Reusable: Elegantly Refactoring Your JavaScript Markdown Renderer

In front-end development, handling multiple Markdown rendering instances often leads to repetitive code and maintenance headaches. This article walks through a real-world example to demonstrate how to refactor redundant Markdown initialization code into a clean, reusable, and easily extensible module. We'll explore the application of the DRY (Don't Repeat Yourself) principle and delve into the power of JavaScript functions for encapsulation, comparing closure patterns with modern ES6 classes.