HTML ontoggle Attribute
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.
Applies to
The ontoggle attribute is part of the Event Attributes, and can be used on the following element:
| Elements | Event |
|---|---|
| <details> | ontoggle |
Example
Execute a JavaScript when a <details> element is opened or closed:
<details ontoggle="myFunction()">
Try it Yourself »
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 |
