What scripting language is jquery written in?

jQuery is an open source JavaScript library written in JavaScript, which is designed to simplify the interaction between HTML and JavaScript. It implements many commonly used DOM operation functions for different browsers to simplify and reuse code.

jQuery has been one of the popular JavaScript libraries since 2006, and its use has become a standard practice in web development. Since then, jQuery has rapidly evolved into a powerful, lightweight, fast, and concise library that is widely used to build rich, dynamic web pages and web applications.

The design philosophy of jQuery is "write a small amount of JavaScript code to achieve more processing work", and it is object-oriented. It provides rich selectors and flexible APIs in all aspects of DOM processing, making it easier for developers to create dynamic content and special effects through JavaScript.

jQuery includes core components such as selectors, event handlers, and Ajax that allow developers to quickly create rich applications. In addition, developers can easily build interactive user interfaces and mobile applications using plug-ins such as jQuery UI and jQuery Mobile.

Code written using jQuery can run on a variety of browsers and platforms, and it has been widely recognized and supported. At the same time, because jQuery is written in JavaScript, it makes it easier for developers to understand and extend existing code.

In short, jQuery is a fast, efficient and scalable JavaScript framework that is an indispensable tool in web application development. If you are a web developer, then you will definitely appreciate jQuery's lightweight design and improved development efficiency.

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