HTML ontoggle Event Attribute
Last Updated :
11 Dec, 2023
The ontoggle event is triggered when the user opens or closes the <details> element. The <details> element is used to provide additional information/details that the user can view or hide details according to requirements.
Syntax
<details ontoggle = "script">
Supported Tag
Attribute Value
This attribute contains a single value “script” which works when ontoggle event call.
Example 1: This example illustrates the implementation of the ontoggle Event Attribute with <details> tag. Â
html
<!DOCTYPE html>
< html >
< head >
< title >ontoggle event attribute</ title >
< style >
body {
text-align: center;
}
h1 {
color: green;
}
</ style >
</ head >
< body >
< h1 >GeeksforGeeks</ h1 >
< h2 >
ontoggle event attribute
</ h2 >
< p >
Click below to open the details.
</ p >
< details ontoggle = "Geeks()" >
< summary style = "color:blue" ;>
What is the full
form of HTML
</ summary >
< p >
Hyper Text Markup Language
</ p >
</ details >
< script >
function Geeks() {
alert("The ontoggle event triggered");
}
</ script >
</ body >
</ html >
|
Output:
Example 2: In this example, we will the ontoggle Event Attribute with <details> tag to trigger the event. Â
HTML
<!DOCTYPE html>
< html lang = "en" >
< head >
< meta charset = "UTF-8" />
< title >ontoggle event attribute</ title >
< style >
body {
text-align: center;
font-family: Arial, sans-serif;
background-color: #f4f4f4;
}
h1 {
color: #48e98b;
}
h2 {
color: #38a2e9;
}
p {
color: #6e6e6e;
}
summary {
color: #e74c3c;
cursor: pointer;
outline: none;
}
details {
margin: 20px auto;
width: 60%;
background-color: #fff;
padding: 10px;
border: 1px solid #ccc;
border-radius: 5px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
</ style >
</ head >
< body >
< h1 >GeeksforGeeks</ h1 >
< h2 >ontoggle event attribute</ h2 >
< p >
Click below to reveal more information
</ p >
< details ontoggle="alert(
'The ontoggle event just got triggered')">
< summary >
What is the full form of HTML
</ summary >
< p >
Hyper Text Markup Language (HTML) is
the standard markup language for
creating web pages.
</ p >
</ details >
</ body >
</ html >
|
Output:
Supported Browser
- Google Chrome 12 and above
- Edge 79 and above
- Firefox 48 and above
- Opera 15 and above
- Safari 6 and above
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