At what point is the Virtual DOM Compared to the Real DOM?

Question

React

At what point is the Virtual DOM Compared to the Real DOM? after didmount? is ReactDOM responsible for this?

Answer 1

ReactDOM is responsible for working with the DOM,
in other words, if the application is running and rendering something in the browser, then you need to connect ReactDOM.
a) b)
See:React: The Virtual DOM , React Component Lifecycle , The Component Lifecycle