jQuery toggleClass() Method
The toggleClass() method is an inbuilt method in jQuery that is used to toggle or change the class attached to the selected element.
Syntax:
$(selector).toggleClass(class, function, switch)
Parameters:
This method accepts three parameters as mentioned above and described below:
- class: It is the required parameter and is used to specify the class name that needs to replace.
- function: It is an optional parameter and is used to specify a function that returns one or more class names. This parameter contains the index position of the element and the class name of the element.
- switch: It is an optional parameter and is used to specify either true or false. By default it is true.
Return Value: This method returns the selected element with the specified changes made by the toggleClass() method.
The below examples illustrate the toggleClass() method in jQuery:
Example 1:
<!DOCTYPE html>
<html>
<head>
<title>The toggleclass Method</title>
<script src=
"https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js">
</script>
<!-- jQuery code to show the working of this method -->
<script>
$(document).ready(function () {
$("button").click(function () {
$("div").toggleClass("gfg");
});
});
</script>
<style>
.gfg {
font-size: 25px;
background-color: yellow;
min-height: 120px;
}
div {
width: 200px;
min-height: 120px;
background-color: lightgreen;
padding: 20px;
font-weight: bold;
font-size: 20px;
}
</style>
</head>
<body>
<!-- click inside this div element to see the change -->
<div>
<p>Hello!</p>
<p>Welcome to GeeksforGeeks.!</p>
<button>Click Here!</button>
</div>
</body>
</html>
Output:
Example 2:
<!DOCTYPE html>
<html>
<head>
<title>toggle class property</title>
<script src=
"https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js">
</script>
<!-- jQuery code to show the working of this method -->
<script>
$(document).ready(function () {
$("button").click(function () {
$("div").toggleClass(function (n) {
n = 1;
return "item_" + n;
});
});
});
</script>
<style>
.item_1 {
color: green;
font-weight: bold;
font-size: 20px;
background-color: white;
border: 2px solid green;
}
div {
text-align: center;
width: 200px;
min-height: 100px;
background-color: lightgreen;
padding: 20px;
border: 2px solid black;
font-weight: bold;
}
</style>
</head>
<body>
<!-- click inside this div element -->
<div>
<p>Welcome to GeeksforGeeks!</p>
<button>Click Here!</button>
</div>
</body>
</html>
Output: