html document consists of three parts: tag, header and body. The markup description file is described in Hypertext Markup Language. The header represents the beginning and end of the header information. The actual content displayed on the web page is included in the body.
The operating environment of this article: windows10 system, html 5, thinkpad t480 computer.
HTML document structure generally includes three parts: markup (Html), header (Head), and body (Body).
Mark< html>