HyperText Markup Language (HTML)

HTML is a markup language for describing web pages, not a programming language like Java or C++. Markup tags (also called elements) are the major components in an HTML document (usually called a page). They are keywords (tag names) surrounded by angle brackets, as in <html>. HTML tags normally appear in pairs like <html>… </html>. Tags and elements are often used to describe the same thing. Additionally, the tag names are not case sensitive.

An HTML page can be considered a document tree that could contain four main parts, as follows:5

Doctype (optional) The first tag to appear in the source code of a web page is the doctype declaration. The <!doctype> is not an HTML tag. It is an optional part that provides ...

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