HTML <data> Tag Definition, Usage and Examples

The HTML <data>Tag is a machine-readable representation of its own contents. This can be handy in circumstances when the material has to be supplied in a different format.  The <data> HTML Tag is part of Style and Semantics HTML category in HTML Element Reference. The attributes of the <data> HTML Tag are global, and value attributes. 

<data> code block example to learn how it works is given below. 

<data value="machine-readble-data">
User friendly content...
</data>

The second example usage of the “<data>” code block example is below. 

<h4>Recommended Reading</h4>
<ul>
<li><data value="0972506961">My Pretty Sister</data></li>
<li><data value="0385005619">Journeys Out of the Body</data></li>
<li><data value="B06GVFNUX8">The Science Delusion</data></li>

What is <data> HTML Tag?

The <data> HTML Tag provides a machine-readable version of its own contents. It presents the facts in a unique format. It is useful when the data must be in a specific format so it may be handled by a script, but this may not be the format that the users want to view.

How to Use <data> HTML Tag?

To use the <data> HTML Tag the web developer should provide the user-friendly contents between the start and end tags in the <data> HTML Tag. The machine-readable value is provided by the value property.

Example Usage of <data> HTML Tag?

The following example of usage of <data> HTML tag is given below.

<ul>
  <li><data value="21053">Cherry Tomato</data></li>
  <li><data value="21054">Pork Tomato</data></li>
  <li><data value="21055">Sweet Tomato</data></li>
</ul>

What are the Attributes of <data> HTML Tag?

There are multiple attributes for the <data> HTML Tag. The following attributes are listed below.

  • Global Attributes: The <data> HTML Tag supports global attributes. All HTML elements, even those not specified in the standard, can have global attributes. This means that any non-standard elements must nevertheless allow certain characteristics, even if using such elements makes the content non-HTML5 compliant.
  • Value Attribute: The <data> HTML Tag supports the value attribute. The Value Attribute defines the machine-readable translation of the element’s content.

What is the Default CSS Setting for <data>HTML Tag?

The following is the Default CSS Setting for the <data> HTML Tag.

data:hover::after {
    content: ' (ID ' attr(value) ')';
    font-size: .7em;
}

What are the Related other HTML Tags to <data>?

The other related HTML Tags to the <data> HTML Tag are listed below.

  • <article> HTML Tag: The <article> HTML Tag is related to <data> HTML Tag because they are both style and semantic tags. The <article> HTML Tag specifies a self-contained composition in a document, page, application, or site that is meant to be distributable or reusable independently.
  • <section> HTML Tag: The <section> HTML Tag is related to <data> HTML Tag because they are both style and semantic tags. The <section> HTML Tag represents a generic isolated portion of a page that lacks a more specialized semantic element to describe it.
  • <footer> HTML Tag: The <footer> HTML Tag is related to <data> HTML Tag because they are both style and semantic tags. The <footer> HTML Tag specifies a footer for the sectioning content or sectioning root element immediately preceding it.
  • <aside> HTML Tag: The <aside> HTML Tag is related to <data> HTML Tag because they are both style and semantic tags. The <aside> HTML Tag denotes a section of a document whose content is only tangentially related to the page’s primary content.
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