jQuery is a fast, concise, JavaScript Library that simplifies how you traverse HTML documents, handle events, perform animations, and add Ajax interactions to your web pages. jQuery was designed to help you change the way that you write JavaScript.NOTE: jQuery is currently available for use in all personal or commercial projects under both MIT and GPL licenses. This means that you can choose the license that best suits your project, and use it accordingly.Here are some key features of "jQuery":

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