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HTML aside Tag

Reading time 1 min
Published Jun 29, 2017
Updated Oct 2, 2019

HTML aside: Main Tips

  • HTML <aside> contains information which is not directly related to the main purpose or idea of a web page.
  • <aside> in HTML can include author details, explanations of definitions, related information, ads, etc.
  • In HTML5, <aside> is one of the new elements.

Using aside

HTML <aside> separates information which is not directly related or vital to the main article or web page. It is possible to isolate such additional content in call-out boxes or sidebars.

Example
<aside>
  <h4>Lake</h4>
  <p>Oxford lake is a lake in the state.</p>
</aside>

The example above demonstrated the usage of <aside> tag in HTML without any styling features. The following example shows how the content in <aside> can be customized with CSS:

Example
<aside>
	<p>Many movies and graphic novels have been based on this Greek hero.</p>
</aside>

Browser support

Browser image
Chrome
5+
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Edge
All
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Firefox
4+
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IE
9+
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Opera
11.1+
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Safari
4.1+

Mobile browser support

Browser image
Chrome
All
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Firefox
4+
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Opera
11.1+
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Safari
4.2+