ontoggle Event

Call a function when a <details> element is opened or closed:

Description

The ontoggle event occurs when the user opens or closes the <details> element.

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

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

Event
ontoggle	12.0	79.0	48.0	6.0	15.0

In HTML:

< element ontoggle=" myScript">

In JavaScript:

object.ontoggle = function(){ myScript};

In JavaScript, using the addEventListener() method:

object.addEventListener("toggle", myScript);