jQuery | toggleClass() with Examples

The toggleClass() method is an inbuilt method in jQuery which is used to toggle or change the class which attached with 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 used to specify the class name need to replace.
function: It is optional parameter and used to specify a function that returns one or more class names. This parameter contains the index position of element and class name of element.
switch: It is optional parameter and used to specify either true or false. By default it is true.

Return Value: This method return the selected element with the specified changes made by toggleClass() method.

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:
toggleclass method

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:
toggle class imag

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