Course Details: jQuery


jQuery is a JavaScript library designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.

jQuery is a lightweight, "write less, do more", JavaScript library. The purpose of jQuery is to make it much easier to use JavaScript on your website. jQuery takes a lot of common tasks that require many lines of JavaScript code to accomplish, and wraps them into methods that you can call with a single line of code.

jQuery Introduction

jQuery is an open source JavaScript library that simplifies the interactions between an HTML/CSS document, or more precisely the Document Object Model (DOM), and JavaScript.
Elaborating the terms, jQuery simplifies HTML document traversing and manipulation, browser event handling, DOM animations, Ajax interactions, and cross-browser JavaScript development.

jQuery Effects

jQuery enables us to add effects on a web page. jQuery effects can be categorized into fading, sliding, hiding/showing and animation effects. jQuery provides many methods for effects on a web page.


jQuery is a fast and concise JavaScript Library created by John Resig in 2006 with a nice motto: Write less, do more. jQuery simplifies HTML document traversing, event handling, animating, and Ajax interactions for rapid web development.

The jQuery CSS() method is used to get (return)or set style properties or values for selected elements. It facilitates you to get one or more style properties.


jQuery Form

The jQuery Form Plugin allows you to easily and unobtrusively upgrade HTML forms to use AJAX. The main methods, ajaxForm and ajaxSubmit, gather information from the form element to determine how to manage the submit process. ... No special markup is needed, just a normal form.

jQuery AJAX

AJAX is an acronym standing for Asynchronous JavaScript and XML and this technology helps us to load data from the server without a browser page refresh. ... JQuery is a great tool which provides a rich set of AJAX methods to develop next generation web application.

jQuery Events

Every event handling function receives an event object, which contains many properties and methods. The event object is most commonly used to prevent the default action of the event via the .preventDefault() method.

jQuery Misc
jQuery UI

jQuery UI is a collection of GUI widgets, animated visual effects, and themes implemented with jQuery, Cascading Style Sheets, and HTML. According to JavaScript analytics service, Libscore, jQuery UI was used on over 197,000 of the top one million websites, once making it the second most popular JavaScript library

jQuery Interactions

A jQuery interaction is a widget that enables page visitors to use a mouse (or trackpad or touchscreen) to control, modify, or in some other way mess with a web page element.

jQuery Widgets

a jQuery UI widget is a specialized jQuery plug-in. Using plug-in, we can apply behaviours to the elements. However, plug-ins lack some built-in capabilities, such as a way to associate data with its elements, expose methods, merge options with defaults, and control the plug-in's lifetime.

jquery classes

The jQuery hasClass() method is used to check whether selected elements have specified class name or not. It returns TRUE if the specified class is present in any of the selected elements otherwise it returns FALSE.

Sudarshan Dhotre

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