1. AJAX allows asynchronous data loading without page reloads, while jQuery is a JavaScript library that simplifies DOM manipulation. AJAX relies on technologies like CSS, HTML, and DOM, while jQuery provides functionality through front-end scripting. Heavy AJAX usage can overload servers due to many connections, unlike jQuery. 2. AJAX supports asynchronous server-side requests and loading, while JavaScript is a client-side scripting language for dynamic web pages. AJAX does not install trojans, unlike JavaScript. 3. AJAX is a group of asynchronous JavaScript technologies, while PHP is a server-side scripting language for dynamic web pages. PHP is standalone, while AJAX needs specific platforms

1. 1.Difference between AJAX and jQuery
S.No AJAX jQuery
1 AJAX is a powerful tool which JQuery is a light weight language that
cannot use HTML since it is a focuses the interaction in the HTML
simple tool and it can not reload elements.
the page after it is once loaded.
2 AJAX is a combination of several JQuery cannot provide a new
technologies such as CSS, HTML, functionality by combining with other
DOM and many more. In technologies.
combination with these
technologies, AJAX provides new
functionalities.
3 AJAX should be accessed in a JQuery can be accessed through front-
proper procedure to retrieve data end therefore JQuery does not require
from the server. understanding of the complete
procedure to setup a page.
4 Heavy usage of AJAX often leads There is no chance for overload of
to the server overload due to more server while using JQuery since there
number of connections created. is no such heavy usage in JQuery.
2.Difference between AJAX and JavaScript
S.No AJAX JavaScript
1 AJAX allows the coder send JavaScript is a client side scripting
request data asynchronously in language that allows the creation of
order load new data without dynamic web pages by providing a
changing the web page. new level of interactivity.
2 AJAX supports the server side JavaScript provides support to the
scripting Language. client side scripting language.
3 AJAX can load the web page after JavaScript cannot load the pages after
it is been loaded for the first time. it is once loaded.
4 AJAX does not install Trojan in JavaScript can install Trojan in the
the computer. computer.
3.Difference between AJAX and PHP
S.No AJAX PHP

2. 1 AJAX is an Asynchronous PHP is a Hypertext processor that is a
JavaScript XML that has a group general scripting language which
of web technologies which are produces dynamic web pages.
interrelated.
2 AJAX is not a stand alone PHP is a stand alone technology.
technology. AJAX is a group of
technology.
3 AJAX needs a specific platform PHP can run on any platform and
and operating system to run. operating system.
4 AJAX is difficult to develop on PHP is easy to develop on static pages.
static pages.
5 AJAX will only run if the browser PHP is highly vulnerable and does not
supports JavaScript or require much support.
XMLHttpRequest.
4.Difference between AJAX and DHTML
S.No AJAX DHTML
1 AJAX does not have the feature DHTML makes a Button glow or
of making the button glow when pressed when the cursor is moved over
the cursor is moved over it. it.
2 AJAX can load a single link DHTML loads a fresh new page to
instead of loading the whole new load a link.
page.
3 AJAX saves the loading time. DHTML consumes more time than
AJAX takes in loading the page.
4 AJAX permits the browser to DHTML does change the element on
request certain elements which the screen depending on the request
reduces the strain on the internet. from the user.
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