What is Virtual DOM?

Question

Recently, I looked at Facebook\'s React framework. It uses a concept called \"the Virtual DOM,\" which I didn\'t really understand.

What is the Virtual DOM? What are

Answer 1

Virtual Dom is created one copy of Dom. Virtual dom is compared to dom, and virtual dom update only that part in dom which changed. it's not rendering the whole dom it's just changed the updated part of dom in dom. It's very time consuming and from this functionality, our app works fast.