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HTML ontoggle Event Attribute

HTML Event Attributes HTML Event Attributes

Example

Execute a JavaScript when a <details> element is opened or closed:

<details ontoggle="myFunction()">
Try it yourself »

Definition and Usage

The ontoggle attribute fires when the user opens or closes the <details> element.

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


Browser Support

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

Event Attribute
ontoggle 12.0  Not supported Not supported 6.0 15.0

Differences Between HTML 4.01 and HTML5

The ontoggle attribute is new in HTML5.


Syntax

<element ontoggle="script">

Attribute Values

Value Description
script The script to be run on ontoggle

Technical Details

Supported HTML tags: <details>

Related Pages

HTML DOM reference: ontoggle event


HTML Event Attributes HTML Event Attributes