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These two are different methods available in jQuery to change the width of an element. The difference is that in CSS(‘width’), we have to add px in the width value while this is not required in width().

Text () method is used to get combined text contents of all matched elements, and text(Val) is used to set those text contents. 

Dough cookie plugin can be used to deal with cookies in jQuery. It has powerful features and is easy to use. For example: $.dough(“cookie_name”, “cookie_value”); can be used to create a cookie.

AJAX stands for Asynchronous JavaScript and XML. It helps in loading and exchanging data without a browser page refresh and only via server. jQuery provides a rich set of AJAX methods to develop web applications.

There following selectors in jQuery is used as: $(‘div’) is used for selection all div tags in the document, $(‘#TextId’) is used for selecting elements whose ID is TextId and $(‘.myclass’) is used for selecting all elements whose class is .myclass.

Yes, all elements can be selected using jQuery using $(‘*’) available in a DOM.

jQuery is used mainly to add animation effects, call functions on events, apply dynamic or static CSS, and manipulate purposes. 

This is because jQuery has several features such as easy DOM manipulation, event handling, built-in animations, cross-browser compatibility, supports CSS3, and is lightweight. 

jQuery is mainly used for DOM (Document Object Model) manipulation, which allows you to modify a web page’s structure, style, and content. Some of the common things that jQuery is used for include:

JQuery is a fast, small, and feature-rich JavaScript library. It simplifies things like HTML document traversal and manipulation, event handling, and animation with an easy-to-use API that works across many browsers. With versatility and extensibility, jQuery has changed how millions of people write JavaScript.