The <dfn> tag in HTML represents definition element and is used to representing a defining instance in HTML. Generally, the defining instance is the first use of a term in a document. The <dfn> tag requires a starting as well as an ending tag.
Syntax:
<dfn>.....</dfn>
Below examples illustrate the <dfn> tag in HTML:
Example 1:
<!DOCTYPE html> <html> <head> <title>HTML dfn tag</title> </head> <body> <p><dfn>Geeksforgeeks</dfn> is a portal for geeks.</p> </body> </html> |
Output:
Example 2: Using title attribute of the <dfn> tag.
<!DOCTYPE html> <html> <head> <title>HTML dfn tag with title attribute</title> </head> <body> <p><dfn title="Geeksforgeeks">GFG</dfn> is a portal for geeks.</p> </body> </html> |
Output:
Example 3: Using title attribute of the <abbr> tag inside the <dfn> element.
<!DOCTYPE html> <html> <head> <title>HTML dfn tag with title attribute and abbr tag</title> </head> <body> <p><dfn><abbr title="Geeksforgeeks">GFG</abbr> </dfn> is a portal for geeks.</p> </body> </html> |
Output:
Example 4: Using id attribute along with the <dfn> tag.
<!DOCTYPE html> <html> <head> <title>HTML dfn tag with id attribute </title> </head> <body> <p><dfn id="Geeksforgeeks">GFG</dfn> is a portal for geeks.</p> <p>Practice questions for cracking technical interviews.</p> <p>Prepare for GATE CSE – 2019</p> <p>Visit <a href="#Geeksforgeeks">GFG</a>.</p> </body> </html> |
Output:
Supported Browsers: The browser supported by <dfn> tag are listed below:
- Apple Safari 1+
- Google Chrome 1+
- Firefox 1+
- Opera 4+
- Internet Explorer 2+
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