How AJAX exchanges data with the server?

Answer 1

here is a useful example from the w3shools website :
www.3schools.com/ajax/default.asp

Answer 2

through XML http request, behind the scenes so no need to refresh the page

Answer 3

Hii lyssette..
In ajax, we do not modify the webpage until we recieved complete web page or other data that we want,
As and when data is available the web page contents are refreshed

Answer 4

With a REST Web Service, it uses a JSON objects to transfer data between Client and Server!