HTML <summary> Tag


Using the <summary> 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 <summary> tag defines a visible heading for the <details> element. The heading can be clicked to view/hide the details.

Browser Support

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

<summary> 12.0 Not supported Not supported 6.0 15.0

Differences Between HTML 4.01 and HTML5

The <summary> tag is new in HTML5.

Tips and Notes

Note: The <summary> element should be the first child element of the <details> element.

Global Attributes

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

Event Attributes

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

Related Pages

HTML DOM reference: Summary Object

Default CSS Settings

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

summary {
    display: block;

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