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<!DOCTYPE html>
<html>
<body>
​
<p>This example uses the addEventListener() method to attach a "toggle" event to a details element.</p>
​
<p>Open the details.</p>
​
<details id="myDetails">
<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>
</details>
​
<p><b>Note:</b> The details element and the ontoggle event is not supported in Internet Explorer or Safari 5 (and earlier).</p>
​
<script>
document.getElementById("myDetails").addEventListener("toggle", myFunction);
​
function myFunction() {
  alert("The ontoggle event occured.");
}
</script>
​
</body>
​
<!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_ontoggle_addeventlistener by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 03:03:00 GMT -->
</html>
​
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