HTML <details> Tag


Using the <details> element:

  <summary>Copyright 1999-2014.</summary>
  <p> - by Refsnes Data. All Rights Reserved.</p>
  <p>All content and graphics on this web site are the property of the company Refsnes Data.</p>
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Definition and Usage

The <details> tag specifies additional details that the user can view or hide on demand.

The <details> tag can be used to create an interactive widget that the user can open and close. Any sort of content can be put inside the <details> tag.

The content of a <details> element should not be visible unless the open attribute is set.

Browser Support

The numbers in the table specify the first browser version that fully supports the element.

<details> 12.0 Not supported 48.0 6.0 15.0

Note: The <details> tag is not supported in Internet Explorer/Edge, or Safari 5 and earlier versions.

Differences Between HTML 4.01 and HTML5

The <details> tag is new in HTML5.

Tips and Notes

Tip: The <summary> tag is used to specify a visible heading for the details. The heading can be clicked to view/hide the details.


= New in HTML5.

Attribute Value Description
open open Specifies that the details should be visible (open) to the user

Global Attributes

The <details> tag also supports the Global Attributes in HTML.

Event Attributes

The <details> tag also supports the Event Attributes in HTML.

Related Pages

HTML DOM reference: Details Object

Default CSS Settings

Most browsers will display the <details> element with the following default values:

details {
    display: block;