fade ins and fade outs when hiding elements, animations by manipulating CSS properties). jQuery also aims to incorporate other highly used JavaScript functionality (e.g. The event assignment and the event callback function definition are done in a single step in a single location in the code. JQuery also provides a paradigm for event handling that goes beyond basic DOM element selection and manipulation. color, visibility), or making it respond to an event (e.g. all elements with an h1 tag), changing one or more of its attributes (e.g. For example, jQuery can be used for finding an element in the document with a certain property (e.g.
jQuery simplifies the syntax for finding, selecting, and manipulating these DOM elements. The DOM is a tree-structure representation of all the elements of a Web page. JQuery, at its core, is a Document Object Model (DOM) manipulation library. Microsoft includes it with Visual Studio for use within Microsoft's ASP.NET AJAX and ASP.NET MVC frameworks while Nokia has integrated it into the Web Run-Time widget development platform. Microsoft and Nokia bundle jQuery on their platforms. This style influenced the architecture of other JavaScript frameworks like YUI v3 and Dojo, later stimulating the creation of the standard Selectors API. The set of jQuery core features-DOM element selections, traversal, and manipulation-enabled by its selector engine (named "Sizzle" from v1.3), created a new "programming style", fusing algorithms and DOM data structures. The modular approach to the jQuery library allows the creation of powerful dynamic web pages and Web applications. This enables developers to create abstractions for low-level interaction and animation, advanced effects and high-level, theme-able widgets. jQuery also provides capabilities for developers to create plug-ins on top of the JavaScript library. JQuery's syntax is designed to make it easier to navigate a document, select DOM elements, create animations, handle events, and develop Ajax applications.
Web analysis indicates that it is the most widely deployed JavaScript library by a large margin, having at least 3 to 4 times more usage than any other JavaScript library. As of Aug 2022, jQuery is used by 77% of the 10 million most popular websites.
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It is free, open-source software using the permissive MIT License. JQuery is a JavaScript library designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.
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