-The user requests a page
-The server replies with HTML interpreted by the browser
-The user performs an action on the page
-The page is posted back to […]
AJAX is a group of interrelated web development methods used on the client-side to create interactive web applications. Web applications based on AJAX can communicate with server asynchronously, in the background without interfering with the display and behavior of the existing page. Data is usually retrieved using the XMLHttpRequest object. AJAX is a group of technologies.