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jQuery toggleClass() Method

jQuery toggleClass() method in jQuery is used to toggles between removing and adding one or multiple class names from the selected elements.

Syntax:

$(selector).toggleClass(classname,function(index,currentclass),switch)

Parameter Values

Parameter	Description
classname	It is a required parameter and is used to specifies one or multiple class names to remove or add
function(index,currentclass)	It is optional parameter and is used to specifies which returns one or multiple class names to remove/add index – Used to returns the index position of the element currentclass – Used to returns current class name of selected elements
switch	It is optional parameter and is used to specify a Boolean value

Here is an Example of jQuery toggleClass() Method:


<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
$(".btn1").click(function(){
$(".txt1").toggleClass("toggle");
});
});
</script>
<style>
.toggle {
font-size: 120%;
color: green;
}
</style>
</head>
<body>
<button class="btn1">click me to Toggle</button>
<p class="txt1">This is First paragraph.</p>
<p class="txt1">This is Second paragraph.</p>
</body>
</html>

Output:

This is First paragraph.

This is Second paragraph.

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