HTML 5: The Markup Language (ARIA Edition)

asidetangential content NEW # T

The aside element represents content that is tangentially related to the content that forms the main textual flow of a document.

Permitted contents #

zero or more style elements, followed by flow content

Permitted attributes #

global attributes
Any attributes permitted globally.
region = #
(detailed attribute description to come)
complementary = #
(detailed attribute description to come)
search = #
(detailed attribute description to come)
note = #
(detailed attribute description to come)

Additional constraints and admonitions #

Tag omission #

An aside element must have both a start tag and an end tag.

Permitted parent elements #

any element that can contain flow elements

Details #

In printed documents, the type of tangential content that the aside element represents is sometimes formatted as a sidebar or annotation or footnote.

DOM interface #

Uses HTMLElement.

Typical default display properties #

aside {
display: block; }