Attribute Contains Prefix Selector [name|=”value”]

attributeContainsPrefix selector

Description: Selects elements that have the specified attribute with a value either equal to a given string or starting with that string followed by a hyphen (-).

  • version added: 1.0jQuery( "[attribute|='value']" )

    attribute: An attribute name.

    value: An attribute value. Can be either a valid identifier or a quoted string.

This selector was introduced into the CSS specification to handle language attributes.


Finds all links with an hreflang attribute that is english.

<!doctype html>
<html lang="en">
  <meta charset="utf-8">
  <title>attributeContainsPrefix demo</title>
  a {
    display: inline-block;
  <script src="https://code.jquery.com/jquery-3.5.0.js"></script>
<a href="example.html" hreflang="en">Some text</a>
<a href="example.html" hreflang="en-UK">Some other text</a>
<a href="example.html" hreflang="english">will not be outlined</a>
$( "a[hreflang|='en']" ).css( "border", "3px dotted green" );


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