AJAX refers to Asynchronous JavaScript and XML. It is a powerful web development technique to create interactive web applications. AJAX’s fundamental function is to update web content asynchronously. This means a user’s web browser doesn’t need to reload an entire web page when only a small content section on the page needs to update. The best and practical example of AJAX is Google’s autocomplete functionality.

This feature helps you complete the keyword while you are typing in the search bar. If you have noticed that the keywords keep changing in real-time. Whereas, the page remains the same. Thus, makes your task easier. AJAX has gained immense popularity and it is a widely used technique by web developers to streamline the process.