What is HTML details?
Definition and Usage. The <details> tag specifies additional details that the user can open and close on demand. The <details> tag is often used to create an interactive widget that the user can open and close. By default, the widget is closed.
What are the 3 contents of HTML?
An HTML 4.0 document generally consists of three parts: a line containing version information, a descriptive header section, and a body, which contains the document's actual content.