HTML5 <details> Tag
Topic: HTML5 Tags ReferencePrev|Next
Description
The <details> element represents a control from which the user can obtain additional information on-demand. It can be used to create an interactive widget that the user can show or hide (like expand and collapse) to retrieve the additional information or controls. Any sort of element can be placed inside the details element.
The following table summarizes the usages context and the version history of this tag.
| Placement: | Block |
|---|---|
| Content: | Block, inline, and text |
| Start/End Tag: | Start tag: required, End tag: required |
| Version: | New in HTML5 |
Syntax
The basic syntax of the <details> tag is given with:
The example below shows the <details> tag in action.
Example
Try this code »<details>
<summary>What is HTML?</summary>
<p>HTML is a markup language for describing the structure of web pages.</p>
</details>Note: You may (and should) provide alternate content inside the <details> element. That content will be rendered both on older browsers that don't support details and in browsers with JavaScript disabled.
Tag-Specific Attributes
The following table shows the attributes that are specific to the <details> tag.
| Attribute | Value | Description |
|---|---|---|
open |
open | This Boolean attribute specifies whether the details will be visible to the user on page load. Default value is false, so the details will be hidden. |
Global Attributes
The <details> tag supports the global attributes in HTML5.
Event Attributes
The <details> tag also supports the event attributes in HTML5.
Browser Compatibility
The <details> tag is supported in all major modern browsers.
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Basic Support—
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Further Reading
See tutorial on: HTML Text Formatting.
Related tags: <bdo>.
