Ajax Tutorial


Ajax Introduction

  • AJAX Stands for asynchronous JavaScript and XML
  • It is a technique for creating fast and dynamic web pages.
  • AJAX allows web pages to be updated asynchronously by exchanging small amounts of data with the server
  • This means that it is possible to update parts of a web page, without reloading the whole page.

What is an Ajax call ?

An Ajax call is an asynchronous request initiated by the browser that does not directly result in a page transition.

A servlet request is a Java-specifc term (servlets are a Java specification) for servicing an HTTP request that could get a simple GET or POST (etc) or an Ajax request.


XMLHttpRequest (XHR) is an API available to web browser scripting languages such as JavaScript.

It is used to send HTTP or HTTPS requests to a web server and load the server response data back into the script.

AJAX Example


Note: Create a text file name “load_data.txt” write some contents inside this file, this text file contents will display in <div> after clicking on button

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