The HTML Aside Element (<aside>) represents a section of a page that consists of content that is tangentially related to the content around it, which could be considered separate from that content. Such sections are often represented as sidebars or as inserts; they often contains side explanation like a glossary definition, more loosely related stuff like advertisements, the biography of the author, or in web-applications, profile information or related blog links.
- Do not use the
<aside>element to tag parenthesized text, as this kind of text is considered part of the main flow.
|Permitted content||Flow content|
|Tag omission||None, both the start tag and the end tag are mandatory|
|Permitted parent elements|
|Normative document||HTML5, section 4.4.5|
This element has no other attributes than the global attributes, common to all elements.
This element implements the
<aside> <p>Some content related to an <article></p> </aside>
Some content related to an <article>
|Feature||Chrome||Firefox (Gecko)||Internet Explorer||Opera||Safari|
|Basic support||5||4.0 (2.0)||9.0||11.10||4.1|
|Feature||Android||Firefox Mobile (Gecko)||IE Mobile||Opera Mobile||Safari Mobile|
|Basic support||2.2||4.0 (2.0)||9.0||11.0||5.0 (iOS 4.2)|