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HTML <acronym> Tag

Example

An acronym is marked up as follows:

Can I get this <acronym title="as soon as possible">ASAP</acronym>?

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Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The <acronym> tag is supported in all major browsers.

Note: The <acronym> tag is not supported in IE 5.5 or earlier versions.

Definition and Usage

The <acronym> tag defines an acronym.

An acronym can be spoken as if it were a word, example NATO, NASA, ASAP, GUI.

By marking up acronyms you can give useful information to browsers, spell checkers, translation systems and search-engine indexers.

Tips and Notes

Tip: The title attribute is used to show the full version of the acronym when you mouse over it.

Differences Between HTML and XHTML

NONE

Standard Attributes

DTD indicates in which HTML 4.01/XHTML 1.0 DTD the attribute is allowed. S=Strict, T=Transitional, and F=Frameset.

The <acronym> tag supports the following standard attributes:

Attribute Value Description DTD
class classname Specifies a classname for an element STF
dir rtl
ltr		 Specifies the text direction for the content in an element STF
id id Specifies a unique id for an element STF
lang language_code Specifies a language code for the content in an element STF
style style_definition Specifies an inline style for an element STF
title text Specifies extra information about an element STF
xml:lang language_code Specifies a language code for the content in an element, in XHTML documents STF

More information about Standard Attributes.

Event Attributes

The <acronym> tag supports the following event attributes:

Attribute Value Description DTD
onclick script Script to be run on a mouse click STF
ondblclick script Script to be run on a mouse double-click STF
onmousedown script Script to be run when mouse button is pressed STF
onmousemove script Script to be run when mouse pointer moves STF
onmouseout script Script to be run when mouse pointer moves out of an element STF
onmouseover script Script to be run when mouse pointer moves over an element STF
onmouseup script Script to be run when mouse button is released STF
onkeydown script Script to be run when a key is pressed STF
onkeypress script Script to be run when a key is pressed and released STF
onkeyup script Script to be run when a key is released STF

More information about Event Attributes.

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