What is a virtual DOM and how does it work?

What is a virtual DOM and how does it work?

A virtual DOM is a lightweight copy of the actual DOM. It allows for efficient updates by minimizing direct manipulation of the real DOM.

Why is using a virtual DOM beneficial for web applications?

Using a virtual DOM improves performance by reducing the number of direct updates to the real DOM, which can be slow and resource-intensive.

Can you explain how React uses the virtual DOM?

React creates a virtual DOM to track changes. When a component updates, React compares the new virtual DOM with the previous one and only updates the parts that changed.

Are there any downsides to using a virtual DOM?

While the virtual DOM offers performance benefits, it can add complexity and overhead in certain scenarios, especially for very simple applications.