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Hyphen [|=] attribute selector

Matches any attribute value that is exactly equal, or optionally, followed by a hyphen.

CSS 2.1, Section 5.8.1

 

Syntax

[att|=val] {...}

Parameters

att

Must be either an Identifier or a String.

val

Must be either an Identifier or a String.

Standards information

Remarks

Note  Requires Windows Internet Explorer 7 or later.

Note  Attribute selectors are not supported in webpages that are displayed in the Microsoft Internet Explorer 5 document mode (also known as "Quirks" mode). To use attribute selectors, add a !DOCTYPE directive that specifies a standard-based document. For more information, see Defining Document Compatibility.

The hyphen is used primarily as a delimiter for language codes.

Attributes are case-sensitive.

Examples

The following style rule selects any element with an "attr" attribute whose value begins with "en" and is immediately followed by a hyphen.


<!DOCTYPE html>
<html>
  <head>
    <style type="text/css">
      .test        { display:none; }
      [attr|="en"] { display:block; }
    </style>  
  </head>
  <body>
    <div class="test" attr="en-us">Test for [|=] (Hyphen) succeeded.</div>
  </body>

Code example: http://samples.msdn.microsoft.com/workshop/samples/author/css/attr_selectors.htm

 

 

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