<dfn> (Defining Instance of a Term)
This element encloses the defining instance of a term. It usually is rendered as bold or bold italic text.
Standard Syntax
<dfn
class="class name(s)"</dfn>
dir="ltr | rtl"
id="unique alphanumeric identifier"
lang="language code"
style="style information"
title="advisory text"
Attributes Defined by Internet Explorer
accesskey="key" (5.5)
contenteditable="false | true | inherit" (5.5)
disabled="false | true" (5.5)
hidefocus="true | false" (5.5)
language="javascript | jscript | vbs | vbscript" (4)
tabindex="number" (5.5)
unselectable="on | off" (5.5)
Standard Events
onclick, ondblclick, onmousedown, onmouseup, onmouseover, onmousemove, onmouseout, onkeypress, onkeydown, onkeyup
Events Defined by Internet Explorer
onactivate, onbeforeactivate, onbeforecopy, onbeforecut, onbeforedeactivate, onbeforeeditfocus, onbeforepaste, onblur, oncontextmenu, oncontrolselect, oncopy, oncut, ondeactivate, ondrag, ondragend, ondragenter, ondragleave, ondragover, ondragstart, ondrop, onfocus, onfocusin, onfocusout, onhelp, onlosecapture, onmouseenter, onmouseleave, onmousewheel, onmove, onmoveend, onmovestart, onpaste, onpropertychange, onreadystatechange, onresize, onresizeend, onresizestart, onselectstart
Example
An <dfn>elephant</dfn> is too large to make a viable pet for anyone poorer than Bill Gates.
Compatibility
HTML 2, 3.2, 4, and 4.01, XHTML 1.1, Basic
Internet Explorer 2, 3, 4, 5, 5.5, 6
Netscape 6, 7
Opera 4-7
Notes
HTML 2 and 3.2 defined no attributes for this element.
