What does details> mean in HTML?

The HTML element creates a disclosure widget in which information is visible only when the widget is toggled into an "open" state. A summary or label must be provided using the element.

What are HTML> /HTML> elements?

However, these days, they don't do much and are basically just needed to make sure your document behaves correctly. That's all you need to know for now. — the element. This element wraps all the content on the entire page and is sometimes known as the root element.

What is a DOCTYPE in HTML?

!DOCTYPE html> — doctype. It is a required preamble. In the mists of time, when HTML was young (around 1991/92), doctypes were meant to act as links to a set of rules that the HTML page had to follow to be considered good HTML, which could mean automatic error checking and other useful things.

What is selector details [open]?

The selector details [open] can be used to style the element which is open. System Requirements Requires a computer running an operating system. The computer must have some memory and ideally some kind of long-term storage.