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HTML 5: The Markup Language (ARIA Edition)

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ⓘ aside – tangential 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 & common.attrs.aria.implicit.region or common.attrs.aria.landmark.complementary or common.attrs.aria.landmark.search or common.attrs.aria.landmark.note

ⓘ 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; }
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