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Summary
The HTML Definition Element (<dfn>) represents the defining instance of a term.
HTML5 Usage Notes:
Content categories | Flow content, phrasing content, palpable content. |
---|---|
Permitted content | Phrasing content, but no <dfn> element must be a descendant. |
Tag omission | None, both the starting and ending tag are mandatory. |
Permitted parent elements | Any element that accepts phrasing content. |
DOM interface | HTMLElement |
Attributes
This element includes the global attributes.
In HTML5, the title
attribute has special meaning, as noted above.
Examples
The following examples are valid in HTML5.
<!-- Define "The Internet" --> <p><dfn id="def-internet">The Internet</dfn> is a global system of interconnected networks that use the Internet Protocol Suite (TCP/IP) to serve billions of users worldwide.</p>
Later in the same document:
<dl> <!-- Define "World-Wide Web" and reference definition for "the Internet" --> <dt> <dfn> <abbr title="World-Wide Web">WWW</abbr> </dfn> </dt> <dd>The World-Wide Web (WWW) is a system of interlinked hypertext documents accessed on <a href="#def-internet">the Internet</a>.</dd> </dl>
Result
Specifications
Specification | Status | Comment |
---|---|---|
WHATWG HTML Living Standard The definition of '<dfn>' in that specification. |
Living Standard | |
HTML5 The definition of '<dfn>' in that specification. |
Recommendation | |
HTML 4.01 Specification The definition of '<dfn>' in that specification. |
Recommendation |
Browser compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|
Basic support | (Yes) | 1.0 (1.7 or earlier) | (Yes) | (Yes) | (Yes) |
Feature | Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|
Basic support | (Yes) | 1.0 (1.0) | (Yes) | (Yes) | (Yes) |
See also
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