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. |
| Permitted ARIA roles | feed, 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
<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
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
| Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | 5 | Yes | 4 | 9 | 11.1 | 4.1 |
| Feature | Android webview | Chrome for Android | Edge mobile | Firefox for Android | Opera Android | iOS Safari | Samsung Internet |
|---|---|---|---|---|---|---|---|
| Basic support | Yes | Yes | Yes | 4 | 11 | 4.2 | Yes |
See also
Document Tags and Contributors
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SphinxKnight,
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Last updated by:
SphinxKnight,