The HTML <aside>
element represents a portion of a document whose content is only indirectly related to the document's main content. Asides are frequently presented as sidebars or call-out boxes.
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Content categories | Flow content, sectioning content, palpable content. |
---|---|
Permitted content | Flow content. |
Tag omission | None, both the starting and ending tag are mandatory. |
Permitted parents | Any element that accepts flow content. Note that an <aside> element must not be a descendant of an <address> element. |
Implicit ARIA role | complementary |
Permitted ARIA roles | feed , none , note , presentation , region , search |
DOM interface | HTMLElement |
Attributes
This element only includes the global attributes.
Usage notes
- Do not use the
<aside>
element to tag parenthesized text, as this kind of text is considered part of the main flow.
Examples
Using <aside>
This example uses <aside>
to mark up a paragraph in an article. The paragraph is only indirectly related to the main article content:
<article>
<p>
The Disney movie <cite>The Little Mermaid</cite> was
first released to theatres in 1989.
</p>
<aside>
<p>
The movie earned $87 million during its initial release.
</p>
</aside>
<p>
More info about the movie...
</p>
</article>
Specifications
Specification | Status | Comment |
---|---|---|
HTML Living Standard The definition of '<aside>' in that specification. |
Living Standard | |
HTML5 The definition of '<aside>' in that specification. |
Recommendation |
Browser compatibility
BCD tables only load in the browser