Can you compare the performance of using virtual DOM versus direct DOM manipulation in web apps, and explain the workings of virtual DOM?

Very hard Difficulty

Very-hard questions are the ultimate test of your expertise and preparation. They demand not just knowledge, but creativity and strategic thinking, often addressing unique or highly technical aspects of your field.

DOM Manipulation question

DOM Manipulation questions test your ability to interact with web page structure programmatically. Demonstrate your understanding of the Document Object Model and how to dynamically modify content, style, and behavior in browsers.

Here's a Hint

Explain the batch update and diffing algorithm concepts of virtual DOM, how it minimizes costly reflows, and the trade-offs compared to direct manipulation.