ANGULAR AND REACT

It may not matter for the problem described above. However, if we deal with 20–30 asynchronous data requests on the same page (and for every page request we replace the whole HTML block), it will influence performance as well as user-experience..

What is Angular And React?
Virtual DOM: It only updates the part that is required by seeing the differences between the previous and current HTML version. Its a similar approach to how GitHub operates when detecting changes in the file. Regular DOM: It will update the whole tree structure of HTML tags until it reaches the birth date. .
It is used for: