HTML Tag <DFN>

<DFN> Indicates the definition of a term in the document.

Attribute of <DFN> Tag

• CLASS
• ID
• STYLE
• TITLE

CLASS

Indicates which style class applies to the <DFN> element.

<DFN CLASS="casual">POP stands for Post
Office Protocol</DFN>

Possible Values

Any Class name that you define.

ID

Assigns a unique ID selector to an instance of the <DFN> tag. When you then assign a style to that ID selector, it affects only that one instance of the <DFN> tag.

<DFN ID="dkm">WWW stands for World Wide
Web</DFN>

Possible Values

Any ID name that you define.

STYLE

Specifies Style Sheet commands that apply to the definition.

<DFN STYLE="background: blue;
color: white">ESP stands for
extra-sensory perception.</DFN>

Possible Values

CSS Property with value.

TITLE

Specifies text assigned to the tag. You might use this attribute for context-sensitive help within the document. Browsers may use this to show tool tips over the definition text.

<DFN TITLE="Definition">

Possible Values

Any text message.