HTML ontoggle Event Attribute

HTML ontoggle Event Attribute

The ontoggle event attribute triggers when the user clicks the <details> element to open or close the content inside it.

Example

HTML Online Editor
<!DOCTYPE html> <html> <body> <details ontoggle="myFunction()"> <summary>List to be purchased</summary> <ul> <li>Apple - 1kg</li> <li>Banana - 2 Nos</li> <li>Indian Gooseberry - 10 Nos</li> </ul> </details> <script> function myFunction(){ alert("You are toggling"); } </script> </body> </html>

Attribute Value

ValueExplanation
scriptScript runs when the user clicks the <details> element to open or close the content inside it.

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