Web technology reference for developers
Structure of content on the web
Code used to describe document style
General-purpose scripting language
Protocol for transmitting web resources
Interfaces for building web applications
Developing extensions for web browsers
Learn web development
Learn to structure web content with HTML
Learn to style content using CSS
Learn to run scripts in the browser
Learn to make the web accessible to all
A customized MDN experience
Get real-time assistance and support
All browser compatibility updates at a glance
Learn how to use MDN Plus
Frequently asked questions about MDN Plus
Write, test and share your code
Scan a website for free
此页面由社区从英文翻译而来。了解更多并加入 MDN Web Docs 社区。
已认证意味着一个程序、一项内容或一次数据传输已经成功经过了相关领域专家的认证,因而我们认为它是完整的、安全的、可信的。
关于密码学中证书的细节,请参考数字认证证书。