Hyphen [|=] Attribute Selector
Matches any attribute value that is exactly equal, or optionally, followed by a hyphen.
Syntax
HTML [att|=val] { sRules } Scripting N/A
Possible Values
att Must be either an Identifier or a String. val Must be either an Identifier or a String. sRules String that specifies one or more Cascading Style Sheets (CSS) attribute/value pairs.
Remarks
This selector is available as of Internet Explorer 7.
Attribute selectors are enabled only in standards-compliant mode (strict !DOCTYPE).
The hyphen is used primarily as a delimiter for language codes.
Attributes are case-sensitive.
Example
The following style rule selects any attribute whose value begins with "en" and is immediately followed by a hyphen.
<style> .test { display:none; } [attr|="en"] { display:block; } </style> <div class="test" attr="en-us">Test for [|=] (Hyphen) succeeded.</div>
Standards Information
This selector is defined in CSS, Level 2 Revision 1 (CSS2.1).
See Also
Class Selector, Equality [=] Attribute Selector, Existence [] Attribute Selector, ID Selector, Prefix [^=] Attribute Selector, Substring [*=] Attribute Selector, Suffix [$=] Attribute Selector, Type Selector, Universal (*) Selector, Whitespace [~=] Attribute Selector