--- title: "What is jQuery?" description: "jQuery is a JavaScript library that makes working with HTML documents easier. Learn more about its features, benefits and SEO aspects." canonical: "https://www.bajorat-media.com/en/faq/what-is-jquery/" locale: "en" collection: "faq" lastModified: "2023-07-18T07:01:39.000Z" image: "https://www.bajorat-media.com/assets/img/faq/was-ist-jquery-titelbild.webp" --- # What is jQuery? jQuery is a JavaScript library that makes working with HTML documents easier. Learn more about its features, benefits and SEO aspects. ## What is jQuery? jQuery is a popular open source JavaScript library designed to make working with HTML documents easier by making it easier to share JavaScript code. It is widely used in web development and web design projects to implement effects, animations, event handling, and HTML element manipulation without requiring extensive knowledge of advanced JavaScript programming. How jQuery works The main function of jQuery is to make it easier to select and manipulate HTML elements on a web page. At its core, jQuery uses a powerful selection tool based on CSS syntax that allows developers to find and manipulate HTML elements quickly and accurately. You can then add animations, bind event handlers, send AJAX requests, and much more using various built-in functions. Advantages of jQuery Cross-platform: One of the main advantages of jQuery is its cross-platform nature. It ensures that the written code works consistently on different browsers and platforms without additional adjustments. Simple syntax: jQuery provides a simple and easy-to-understand syntax that makes it easier to get started with JavaScript development. This allows developers and designers to achieve results faster and spend less time learning complex JavaScript functions. Extensibility: jQuery can be customized and extended through a variety of plugins and extensions. Developers can therefore add new functions and tools to make their web projects more efficient. Efficient DOM Manipulation: jQuery makes it possible to modify HTML elements and their attributes without much effort, resulting in faster and more efficient web application development. Large Community: Due to its popularity, jQuery has a large community that provides resources, tutorials, updates, and support for developers. SEO and jQuery When it comes to search engine optimization (SEO), there are factors that should be considered when using jQuery. Since search engine robots primarily analyze the HTML code of a web page, excessive use of JavaScript, such as jQuery, can make important content less readable by search engines. In such cases, care should be taken to ensure that content that is relevant for search engine optimization is not loaded or displayed exclusively by jQuery. jQuery is a popular open source JavaScript library designed to make working with HTML documents easier by making it easier to share JavaScript code. It is widely used in web development and [web design](/en/services/webdesign-and-conception/) projects to implement effects, animations, event handling, and HTML element manipulation without requiring extensive knowledge of advanced JavaScript programming. ## How jQuery works The main function of jQuery is to make it easier to select and manipulate HTML elements on a web page. At its core, jQuery uses a powerful selection tool based on CSS syntax that allows developers to find and manipulate HTML elements quickly and accurately. You can then add animations, bind event handlers, send AJAX requests, and much more using various built-in functions. ### Advantages of jQuery - **Cross-platform:** One of the main advantages of jQuery is its cross-platform nature. It ensures that the written code works consistently on different browsers and platforms without additional adjustments. - **Simple Syntax:** jQuery provides a simple and easy-to-understand syntax that makes it easier to get started with JavaScript development. This allows developers and designers to achieve results faster and spend less time learning complex JavaScript functions. - **Extensibility:** jQuery can be customized and extended through a variety of plugins and extensions. Developers can therefore add new functions and tools to make their web projects more efficient. - **Efficient DOM Manipulation:** jQuery makes it possible to modify HTML elements and their attributes without much effort, resulting in faster and more efficient web application development. - **Large Community:** Due to its popularity, there is a large jQuery community that provides resources, tutorials, updates, and support for developers. ## SEO and jQuery When it comes to [search engine optimization](/en/services/search-engine-optimization-seo/) (SEO), there are factors that should be considered when using jQuery. Since search engine robots primarily analyze the HTML code of a web page, excessive use of JavaScript, such as jQuery, can make important content less readable by search engines. In such cases, care should be taken to ensure that content that is relevant for search engine optimization is not loaded or displayed exclusively by jQuery.