The World Wide Web Consortium (W3C) is responsible for setting standards for web development. One of these standards is XHTML (Extensible HyperText Markup Language), which was introduced in 2000. This markup language is a stricter and cleaner version of HTML (HyperText Markup Language) and follows the rules of XML (Extensible Markup Language). XHTML has several advantages over traditional HTML, including compatibility with XML applications, semantic coding, and improved accessibility.
The following article will discuss the main features of XHTML, including syntax, elements, and attributes, along with code examples for each.
The syntax of XHTML is based on XML, which means that all opening tags must have a closing tag, and all elements must be well-formed. This means that all tags must be nested correctly (e.g.,
is not allowed), and all elements must be closed properly (e.g., ). XHTML also requires all tags and attributes to be written in lowercase and quotes around attribute values (e.g., ).
Welcome to my webpage.
Like HTML, XHTML has a set of predefined elements that are used to structure a webpage. These include headings, paragraphs, lists, links, images, forms, and tables. XHTML also has a set of semantic elements that help identify the content of a webpage more accurately. For example, instead of using a generic
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