attribute

Attribute Presence Selector

Selects elements that have the specified attribute set, regardless of its value. Useful for targeting elements based on the mere presence of an attribute.

Syntax

[attr]

Example

a[target] { color: red; } /* HTML: <a href="#" target="_blank">Link</a> */

✓ Matches

<a target="_blank">Link</a>
<a target="">Link</a>
<a target="_self">Link</a>

✗ Does not match

<a href="#">Link</a>
<a>Link</a>

Browser support

Universal support in all browsers since CSS2.

Related selectors

Attribute Equals Selector

[attr="value"]

Attribute Contains Substring Selector

[attr*="value"]

Attribute Starts With Selector

[attr^="value"]

Attribute Ends With Selector

[attr$="value"]

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