What is difference between xml,html and xhtml file?
XML XML (Extensible Markup Language) is a general-purpose specification for creating custom markup languages. [1] It is classified as an extensible language, because it allows the user to define the mark-up elements. XML’s purpose is to aid information systems in sharing structured data, especially via the Internet, [2] to encode documents, and to serialize data; in the last context, it compares with text-based serialization languages such as JSON, YAML and HTML HTML, an initialism of HyperText Markup Language, is the predominant markup language for web pages. It provides a means to describe the structure of text-based information in a document—by denoting certain text as links, headings, paragraphs, lists, etc.—and to supplement that text with interactive forms, embedded images, and other objects. HTML is written in the form of “tags” that are surrounded by angle brackets. HTML can also describe, to some degree, the appearance and semantics of a document, and can include embedded scri
