The ontoggle event in HTML DOM occurs when the <details> element user opens or closes by the user. The <details> tag is used for the content/information which is initially hidden but could be displayed if the user wishes to see it.
Supported tags
<details>
Syntax:
<element ontoggle="Script">
object.ontoggle = function(){Script};
- In JavaScript, using the addEventListener() method:
object.addEventListener("toggle", Script);
Example:
html
<!DOCTYPE html>
<html>
<head>
<title>HTML DOM ontoggle Event</title>
</head>
<body>
<center>
<h1 style="color:green">GeeksforGeeks</h1>
<h2>HTML DOM ontoggle Event</h2>
<details id="detailsID">
<summary>Show details</summary>
<p>
5th Floor, A-118,
Sector-136, Noida, Uttar Pradesh - 201305
feedback@geeksforgeeks.org
</p>
</details>
</center>
<script>
document.getElementById(
"detailsID").addEventListener("toggle", GFGfun);
function GFGfun() {
alert("ontoggle");
}
</script>
</body>
</html>
|
Output:
Before:
After:
Supported Browsers: The browsers supported by DOM ontoggle Event are listed below:
- Google Chrome
- Internet Explorer
- Firefox
- Apple Safari
- Opera
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Last Updated :
27 Jul, 2021
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