JQuery is an open-source JavaScript library that simplifies DOM manipulation, event handling, animating, and Ajax interactions for rapid web development.

It provides a cross-browser, cross-platform way of accessing the HTML DOM and simplifies the client-side scripting on the web. It is free to use and can be downloaded from its official website.

It is a lightweight and fast library that is free to use. It can be used on all browsers, even old ones, with no additional plugins required.

It can be used with other libraries to provide advanced effects such as animations and transitions, or it can be used on its own to provide basic web page effects such as hiding or showing parts of the page.

Some use cases where JQuery can be utilized are:

• Animating text

• Animating images

• Creating interactive navigation menus

• Applying special effects

The library is used on many high-traffic websites such as Google, YouTube, and Facebook. Programmers have used it worldwide to create interactive user interfaces and dynamic web pages.

JQuery is open-source and distributed under an MIT license. It was originally created in 2006 by John Resig