HTML <abbr> class Attribute

The class attribute on an <abbr> tag assigns one or more classnames to the abbrevation. Classes are used to style elements. Classnames are defined in a stylesheet or in a local <style> element.

Example

#

A class attribute styling an <abbr> element.

We use HTML to compose our web pages.

<style>
  .indigo { background-color: #edf2ff; }
</style>

<p>
  We use 
  <abbr class="indigo" title="Hypertext Markup Language">HTML</abbr> 
  to compose our web pages.
</p>

Using class

The class attribute assigns one or more classnames to the <abbr> tag.

Multiple classnames are separated by a space.

Classes (i.e. classnames) are used for styling the abbr element.

JavaScript uses classes to access one or more elements by classname.

Tip:  class is a global attribute that can be applied to any HTML element.


Syntax

<abbr class="classnames">

Values

#

Value Description
classnames One or more space-separated classnames.

More Examples

A class attribute styling an <abbr> element.
Clicking the button toggles a classname that removes the underline.

We use HTML to compose our web pages.


<style>
  .indigo { background-color: #edf2ff; }
  .lucida { font-family: "Lucida Console", Monaco, monospace}
  .no-underline { text-decoration: none; }
</style>

<p>
  We use 
  <abbr class="indigo lucida" id="myabbr"
        title="Hypertext Markup Language">HTML</abbr> 
  to compose our web pages.
</p>

<br />
<button onclick="toggle();">Toggle class</button>

<script>
  let toggle = () => {
     let element = document.getElementById("myabbr");
     element.classList.toggle("no-underline");
  }
</script>

Code explanation

Three CSS classes are defined in the <style> element.

The class attribute in <abbr> assigns two of those classes.

Repeatedly clicking the button toggles the third class removing the underline.


Browser support

Here is when class support started for each browser:

Chrome
1.0 Sep 2008
Firefox
1.0 Sep 2002
IE/Edge
1.0 Aug 1995
Opera
1.0 Jan 2006
Safari
1.0 Jan 2003

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