What is ajax

AJAX is a web development technology, all the popular websites are using this technology such as Gmail, Facebook, Google+, Twitter, YouTube and many more. The full form of AJAX is "Asynchronous JavaScript And XML". Ajax is a client-side script that communicates with a server/database. Ajax is such a powerful language that scripts can run on the client side instead of on the server side. Which helps to bring information from the server to the web page without refreshing your web page.