The MDN Web Docs site provides information about Open Web technologies including HTML, CSS, and APIs for both Web sites and progressive web apps.

2025年3月6日 · JavaScript (JS) is a lightweight interpreted (or just-in-time compiled) programming language with first-class functions. While it is most well-known as the scripting language for Web pages, many non-browser environments also use it, such as Node.js, Apache CouchDB and Adobe Acrobat.

2025年3月13日 · HTML (HyperText Markup Language) is the most basic building block of the Web. It defines the meaning and structure of web content. Other technologies besides HTML are generally used to describe a web page's appearance/presentation (CSS) or …

2020年2月1日 · MDN Web Docs (formerly known as the Mozilla Developer Network or MDN) is a free resource for in-depth documentation on web standards such as HTML5, CSS, JavaScript, and much more. MDN's mission is simple: provide developers with the information they need to easily build projects on the open Web.

MDN Web Docs, previously Mozilla Developer Network and formerly Mozilla Developer Center, is a documentation repository and learning resource for web developers. It was started by Mozilla in 2005 [2] as a unified place for documentation about open web standards, Mozilla's own projects, and developer guides. [3]

MDN Web Docs is an open-source, collaborative project that documents web platform technologies, including CSS, HTML, JavaScript, and Web APIs. We also provide extensive 🧑‍🎓 learning resources for beginning developers and students.

🎉 First of all, thanks for taking the time to contribute to MDN Web Docs' translated content! 🎉. The following is a set of guidelines for contributing to the translated content of MDN Web Docs, which is hosted within the MDN Organization on GitHub. Guidelines for peers can be found here.