What are the five w3c standards?

The five w3c standards are HTML, CSS, XML, DOM and HTT. Detailed introduction: 1. HTML is a markup language used to create and organize web content. It defines the structure and semantics of web pages and provides a set of tags and attributes for describing and formatting text, images, links and Other elements, HTML is the basis for building web pages, which allows web pages to be displayed and interpreted correctly on different browsers and devices; 2. CSS is a markup language used to control the style and layout of web pages, used in conjunction with HTML, etc. .

The operating system for this tutorial: Windows 10 system, DELL G3 computer.

W3C (World Wide Web Consortium) is an international standards organization dedicated to formulating and promoting Internet standards. It was founded in 1994 by Tim Berners-Lee, one of the founders of the Internet and inventor of the World Wide Web. The W3C's goal is to ensure the interoperability and accessibility of the Internet to promote information sharing and cooperation on a global scale.

W3C has developed many standards, the five most important of which are HTML, CSS, XML, DOM and HTTP. These standards are essential for building and running web pages and applications on the Internet.

First of all, HTML (HyperText Markup Language) is a markup language used to create and organize web content. It defines the structure and semantics of a web page and provides a set of tags and attributes for describing and formatting text, images, links, and other elements. HTML is the basis for building web pages so that they can be displayed and interpreted correctly across different browsers and devices.

Secondly, CSS (Cascading Style Sheets) is a markup language used to control the style and layout of web pages. It is used in conjunction with HTML to define the appearance and behavior of elements through selectors and attributes. CSS can realize beautification and responsive design of web pages, so that web pages can adapt to different screen sizes and device types.

Third, XML (eXtensible Markup Language) is a markup language used to describe and transmit data. It can define custom tags and data structures for data exchange and sharing between different applications. XML is widely used in fields such as Web services, data storage and configuration files.

Fourth, DOM (Document Object Model) is a programming interface used to access and operate web page documents. It represents the web document as a tree structure, and each element is an object that can be manipulated and modified through the DOM interface. The DOM provides a convenient way to dynamically update web page content and respond to user interaction.

Finally, HTTP (Hypertext Transfer Protocol) is a protocol used to transfer data on the Web. It defines the communication rules between the client and the server, including request and response formats, status codes, header information, etc. HTTP is the foundation of web applications, which allows users to interact and transfer data to remote servers through their browsers.

To sum up, W3C’s five standards (HTML, CSS, XML, DOM and HTTP) together form the infrastructure of the Internet. They provide unified specifications and tools for the development of web pages and applications, allowing the Internet to achieve cross-platform and cross-device interoperability and accessibility. The formulation and promotion of these standards promote the development and progress of the Internet and provide users with a better network experience.

The above is the detailed content of What are the five w3c standards?. For more information, please follow other related articles on the PHP Chinese website!