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HTML <dfn> Tag

The <dfn> tag is used to define the term, that is mentioned for the first time. In the browser, the content of the tag is shown in italic.

Syntax

The <dfn> tag comes in pairs; the content is written between the opening (<dfn>) and the closing (</dfn>) tags.

Example

<!DOCTYPE html>
<html>
  <head>
    <title>Title of the document</title>
  </head>
  <body>
    <p><dfn>HTML</dfn> (HyperText Markup Language ) — The standardized markup language for documents on the World Wide Web. Most web pages contain a description of the markup in the language HTML</p>
  </body>
</html>

Result

The <dfn> element has a title attribute, the value of the title attribute is considered to be the term being defined.

Example

<!DOCTYPE html>
<html>
  <head>
    <title>Title of the document</title>
  </head>
  <body>
        <p>Mouse over to see the definition.</p>
        <dfn title="HyperText Markup Language">HTML</dfn>
  </body>
</html>

Result


Mouse over to see the definition.

HTML

Attributes

Attribute Value Description
title Specifies the definition of a term (shown when hovering).

The <dfn> tag also supports the Global Attributes and the Event Attributes.

How to style <dfn> tag

Common properties to alter the visual weight/emphasis/size of text in <dfn> tag:?

  • CSS font-style property sets the style of the font. normal | italic | oblique | initial | inherit
  • CSS font-family property specifies a prioritized list of one or more font family names and/or generic family names for the selected element.
  • CSS font-size property sets the size of the font.
  • CSS font-weight property defines whether the font should be bold or thick. CSS text-transform Property controls text case and capitalization.
  • CSS text-decoration property specifies the decoration added to text, and is a shorthand property for text-decoration-line, text-decoration-color, text-decoration-style

Coloring text in <dfn> tag:

  • CSS color property describes the color of the text content and text decorations
  • CSS background-color property sets the background color of an element.

Text layout styles for <dfn> tag:

  • CSS text-indent property specifies the indentation of the first line in a text block.
  • CSS text-overflow property specifies how overflowed content that is not displayed should be signaled to the user.
  • CSS white-space property specifies how white-space inside an element is handled.
  • CSS word-break property specifies where the lines should be broken.

Other properties worth looking at for <dfn> tag


Browser support



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