Basics
HTML5 Basics
The basic concept of HTML5
What is HTML5
HTML5 is a markup language, use markup tags description page.
HTML given XHTML
XHTML is extensible HTML is a markup language that is more rigorous, more pure HTML version. XHTML is written in XML format HTML. XHTML with <! DOCTYPE ...> mandatory elements must be properly nested elements must have a closing, a closing tag must contain empty elements, the elements must be lowercase, must be lowercase attribute name, attribute value and quotes must not allow properties shorthand and other features.
