<dl>: The Description List element - HTML: HyperText Markup Language 编辑
The HTML <dl>
element represents a description list. The element encloses a list of groups of terms (specified using the <dt>
element) and descriptions (provided by <dd>
elements). Common uses for this element are to implement a glossary or to display metadata (a list of key-value pairs).
The source for this interactive example is stored in a GitHub repository. If you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request.
The source for this interactive example is stored in a GitHub repository. If you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request.
Content categories | Flow content, and if the <dl> element's children include one name-value group, palpable content. |
---|---|
Permitted content | Either: Zero or more groups each consisting of one or more |
Tag omission | None, both the starting and ending tag are mandatory. |
Permitted parents | Any element that accepts flow content. |
Implicit ARIA role | No corresponding role |
Permitted ARIA roles | group , list , none , presentation |
DOM interface | HTMLDListElement |
Attributes
This element only includes the global attributes.
Examples
Single term and description
<dl>
<dt>Firefox</dt>
<dd>
A free, open source, cross-platform,
graphical web browser developed by the
Mozilla Corporation and hundreds of
volunteers.
</dd>
<!-- Other terms and descriptions -->
</dl>
Multiple terms, single description
<dl>
<dt>Firefox</dt>
<dt>Mozilla Firefox</dt>
<dt>Fx</dt>
<dd>
A free, open source, cross-platform,
graphical web browser developed by the
Mozilla Corporation and hundreds of
volunteers.
</dd>
<!-- Other terms and descriptions -->
</dl>
Single term, multiple descriptions
<dl>
<dt>Firefox</dt>
<dd>
A free, open source, cross-platform,
graphical web browser developed by the
Mozilla Corporation and hundreds of
volunteers.
</dd>
<dd>
The Red Panda also known as the Lesser
Panda, Wah, Bear Cat or Firefox, is a
mostly herbivorous mammal, slightly larger
than a domestic cat (60 cm long).
</dd>
<!-- Other terms and descriptions -->
</dl>
Multiple terms and descriptions
It is also possible to define multiple terms with multiple corresponding descriptions, by combining the examples above.
Metadata
Description lists are useful for displaying metadata as a list of key-value pairs.
<dl>
<dt>Name</dt>
<dd>Godzilla</dd>
<dt>Born</dt>
<dd>1952</dd>
<dt>Birthplace</dt>
<dd>Japan</dd>
<dt>Color</dt>
<dd>Green</dd>
</dl>
Tip: It can be handy to define a key-value separator in the CSS, such as:
dt::after {
content: ": ";
}
Wrapping name-value groups in <div> elements
WHATWG HTML allows wrapping each name-value group in a <dl>
element in a <div>
element. This can be useful when using microdata, or when global attributes apply to a whole group, or for styling purposes.
<dl>
<div>
<dt>Name</dt>
<dd>Godzilla</dd>
</div>
<div>
<dt>Born</dt>
<dd>1952</dd>
</div>
<div>
<dt>Birthplace</dt>
<dd>Japan</dd>
</div>
<div>
<dt>Color</dt>
<dd>Green</dd>
</div>
</dl>
Notes
Do not use this element (nor <ul>
elements) to merely create indentation on a page. Although it works, this is a bad practice and obscures the meaning of description lists.
To change the indentation of a description term, use the CSS margin
property.
Accessibility concerns
Each screen reader announces <dl>
content differently. Some screen readers, such as VoiceOver on iOS, will not announce that <dl>
content is a list. Because of this, make sure each list item's content is written in such a way that it communicates its relationship to the other list items in the list grouping.
Specifications
Specification | Status | Comment |
---|---|---|
HTML Living Standard The definition of '<dl>' in that specification. | Living Standard | |
HTML5 The definition of '<dl>' in that specification. | Recommendation | |
HTML 4.01 Specification The definition of '<dl>' in that specification. | Recommendation | Initial definition |
Browser compatibility
BCD tables only load in the browser
See also
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