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Mastering Design Patterns in JavaScript: Part 5 — The Decorator Pattern 🎩

Ketan Jakhar
JavaScript in Plain English
5 min readNov 5, 2024
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Hey folks! 👋

Welcome back to our series on mastering design patterns in JavaScript. If you’ve been following along, we’ve already explored some fundamental patterns that can supercharge your coding skills:

If you missed any of these or want a quick refresher, feel free to check them out!

Today, I’m excited to dive into Part 5: The Decorator Pattern — a structural pattern that’s been a game-changer in my development toolkit.

What’s the Decorator Pattern All About? 🧐

Imagine you’re at a coffee shop ordering your favourite drink. You start with a basic coffee, then add milk, sugar, or perhaps a shot of caramel. Each addition enhances your coffee without altering the original beverage. That’s essentially what the Decorator Pattern does in code — it lets you dynamically add new functionalities to objects without changing their structure.

Why Use the Decorator Pattern❓

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Written by Ketan Jakhar

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