How to check if AJAX is installed involves verifying whether Asynchronous JavaScript and XML (AJAX) is enabled and functional within a web browser. AJAX is a group of interrelated web development techniques, primarily used on the client-side to create asynchronous web applications. By utilizing AJAX, web applications can communicate with servers in the background without refreshing the entire page, enhancing user experience and interactivity.
Determining if AJAX is operational in a browser is crucial for web developers to ensure proper functioning of AJAX-based applications. There are several methods to check AJAX installation, including: