AJAX stands for Asynchronous JavaScript and XML. It is a group of related technologies used to display data asynchronously. What this means is that we can send data to the server and get data from the server without reloading the web page.

Technologies use for AJAX.

• HTML - web page structure
• CSS - the styling for the webpage
• JavaScript - the behaviour of the webpage and updates to the DOM
• XMLHttpRequest API - used to send and retrieve data from the server
• PHP,Python,Nodejs - Some Server-Side language