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AJAX | Introduction

AJAX Introduction

Hello folks! welcome to our tutorial series on AJAX. In this tutorial post, we are going to be giving you guys a brief introduction to AJAX.

What is AJAX?

AJAX is a web development technique used in creating web applications. If you have the knowledge of HTML, JavaScript, XML, and CSS, then you will need to spend about just an hour to get started with AJAX.

Why Learn AJAX

AJAX stands for Asynchronous JavaScript and XML. AJAX is a new method used for creating better, faster, and more interactive web applications with the help of XML, CSS, HTML, and JavaScript.

  • AJAX is a web browser technology independent of web server software.
  • With AJAX, when you press the submit button, JavaScript will make a request to the server, interpret the results, and then update the current screen. In a perfect sense, the user would never know that anything was even transmitted to the web server.
  • AJAX makes use of XHTML for content, CSS for presentation, alongside with Document Object Module and JavaScript for dynamic content display.
  • XML is commonly used as the format for receiving server data, although any format, including plain text, can be used.
  • Data-driven as opposed to page-driven.
  • Conventional web applications transmits information to and from the server using synchronous requests. It means that you fill out a form, hit the submit button, and get directed to a new page with new information from the server.
  • Intuitive and natural user interaction. With AJAX clicking is not required, movement of the mouse is sufficient event trigger.
  • A user can continue to use the application while the client program requests for information from the server in background.

Rich Internet Application Technology

AJAX is the most workable Rich Internet Application technology so far. It is getting a massive industry momentum and several tool kit and frameworks and emerging. But at the same time, AJAX is faced with a big problem of browser incompatibility and it is supported by JavaScript which is difficult to maintain and debug.

AJAX is Based on Open Standards

Following below is a list of open standards which AJAX is based on :

  • Browser-based presentation using HTML and CSS.
  • JavaScript to make everything happen.
  • Data is stored in XML format and fetched from the server.
  • Behind-the-scenes data fetching using XMLHttpRequest objects in the browser.


This tutorial on AJAX will be very useful for those of you who are interested in learning how to create interactive webpages as well as improve your speed and usability using AJAX.


We recommend that you already have the knowledge of HTML and JavaScript before proceeding with this tutorial on AJAX.

Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial guide, we are going to further explain the concept of AJAX and why it is important to learn AJAX.

Feel free to ask your questions where necessary and we will attend to them as soon as possible. If this tutorial was helpful to you, you can use the share button to share this tutorial.

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