jQuery Fundamentals - JavaScript Library.pdf

This presentation covers the introduction and all the basics of jQuery which will help you to understand it.

1. JQUERY
FUNDAMENTALS

2. jQuery?
WHAT IS
jQuery is a JavaScript library that makes
JavaScript programming easier. It is
based on the concept:
"Write less, do more."
Tasks that require many lines of
JavaScript code can often be
accomplished with a single line of jQuery
code.

3. jQuery?
WHY
There are numerous JavaScript libraries
available, but jQuery is arguably the most
popular and the most versatile.
Some of the largest companies on the
web that utilize jQuery include:
Google
Microsoft
Netflix

4. jQuery
FEATURES OF
Selectors: jQuery makes it easy to select
and manipulate HTML elements using
powerful and flexible selectors.
Animation: With jQuery, you can easily
animate elements to create dynamic
and engaging web pages.
CSS Manipulation: jQuery allows you to
manipulate CSS properties and styles of
elements. You can get or set CSS
values easily.

5. jQuery
FEATURES OF
AJAX: jQuery offers a rich set of AJAX
methods, enabling you to build modern,
interactive websites with seamless data
fetching and updating.
Event Handling: jQuery simplifies
handling events (user actions) such as
page loads, mouse clicks, and keyboard
inputs.

6. jQuery
FEATURES OF
DOM Traversal and Manipulation: jQuery
provides methods to navigate and
manipulate the Document Object Model
(DOM), making it easier to interact with
web page elements.
Plugins: jQuery supports a wide range of
plugins for additional functionality, such
as creating split pages, slideshows, and
progress bars. You can also create
custom plugins to extend jQuery’s
capabilities.

7. jQuery
SETUP OF
Step 1:
Download jQuery from the official website.
Step 2:
Go to the CDN page and copy the link:
https://code.jquery.com/jquery-
3.7.1.min.js.
Step 3:
Add the link to your HTML structure.

8. jQuery
SETUP OF
Here is an example of how to set up jQuery
in your HTML file:

9. Conclusion
Even though jQuery is an older library, it is
still very useful and important in web
development. It has lasted a long time
and is widely used, showing that it works
well and is reliable.
While some developers prefer newer tools,
jQuery is still valuable because it's easy to
use, simple, and has many useful features.

10. THANK YOU