http www w3 org 1999 xhtml with code examples

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.

Syntax

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., ).

Example:




My Webpage

Hello World!

Welcome to my webpage.


Elements

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

element to group content, you can use

,

, or

My passion for coding started with my very first program in Java. The feeling of manipulating code to produce a desired output ignited a deep love for using software to solve practical problems. For me, software engineering is like solving a puzzle, and I am fully engaged in the process. As a Senior Software Engineer at PayPal, I am dedicated to soaking up as much knowledge and experience as possible in order to perfect my craft. I am constantly seeking to improve my skills and to stay up-to-date with the latest trends and technologies in the field. I have experience working with a diverse range of programming languages, including Ruby on Rails, Java, Python, Spark, Scala, Javascript, and Typescript. Despite my broad experience, I know there is always more to learn, more problems to solve, and more to build. I am eagerly looking forward to the next challenge and am committed to using my skills to create impactful solutions.

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