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    <acronym>

    Obsolete
    This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

    Summary

    The HTML Acronym Element (<acronym>) allows authors to clearly indicate a sequence of characters that compose an acronym or abbreviation for a word.

    Usage note: This element has been removed in HTML5 and shouldn't be used anymore. Instead web developers should use the <abbr> element.

    Attributes

    This element has no other attributes than the global attributes, common to all elements.

    DOM Interface

    This element implements the HTMLElement interface.

    Implementation note: Up to Gecko 1.9.2 inclusive, Firefox implements the HTMLSpanElement interface for this element.

    Example

    <p>The <acronym title="World Wide Web">WWW</acronym> is only one component of the Internet.</p>
    

    Default styling

    Though the purpose of this tag is purely for the convenience of the author, its default styling varies from one browser to another:

    • Some browsers, like Internet Explorer, do not style it differently than a <span> element.
    • Opera, Firefox, and some others add a dotted underline to the content of the element.
    • A few browsers not only add a dotted underline, but also put it in small caps; to avoid this styling, adding something like font-variant: none in the CSS take cares of this case.

    It is therefore strongly recommended that web authors do not rely on the default styling.

    Specifications

    Specification Status Comment
    HTML 4.01 Specification Recommendation  

    Browser compatibility

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
    Basic support (Yes) (Yes) (Yes) (Yes) (Yes)
    Feature Android Firefox Mobile (Gecko) IE Phone Opera Mobile Safari Mobile
    Basic support Not supported ? ? ? Not supported

    See also

    Document Tags and Contributors

    Last updated by: jswisher,