💡 What is Virtual DOM and Shadow DOM? A Simplified Guide for Modern Front-End Developers In modern web development, two crucial technologies that often pop up in UI performance and component architecture are the Virtual DOM and Shadow DOM . While they sound similar, they solve very different problems and serve different use cases. Let’s understand what they are, how they work, and where to use them — with an easy comparison and visual aid. 🌀 Virtual DOM – Boosting UI Efficiency The Virtual DOM is a concept used in JavaScript libraries like React and Vue . 🔍 Definition: It is an in-memory representation of the real DOM . When a UI update is triggered, the Virtual DOM is used to calculate the most efficient way to update the real DOM. ✅ Key Benefits: Faster UI updates (minimal DOM manipulations) Enables declarative UI development Drives performance in large-scale applications 🛠️ Use case: Used for efficient UI re-rendering...