jQuery | wrapInner() with Examples

The wrapInner() method is an inbuilt method in jQuery which is used to wrap HTML element around the content of each selected element.

Syntax:

$(selector).wrapInner(wrap_element, function(index))

Parameters: This function accepts two parameters as mentioned above and described below:

wrap_element: It is mandatory parameter and used to specify the HTML element to wrap around the content of the selected element
function: It is optional parameter and used to specify the function that returns the wrapping element.
- index: It returns the index of element.

Return Value: This method returns the selected element with the applied changes.

Below examples illustrate the wrapInner() method in jQuery:

Example 1: this example does not contains optional parameter.

<!DOCTYPE html> 
<html> 
    <head> 
        <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() { 
                $("div").click(function() { 
                    $(this).wrapInner("<b></b>").css( 
                           "background-color", "green"); 
                }); 
            }); 
        </script> 
        <style> 
            body { 
                width: 200px; 
                padding: 20px; 
                height: 20px; 
                border: 2px solid green; 
            } 
        </style> 
    </head> 
    <body> 
        <!-- click on this div and see the change -->
        <div>Welcome to GeeksforGeeks!</div> 
       
    </body> 
</html> 

Output:
Before click on the div element:

After click on the div element:

Example 2:

<!DOCTYPE html> 
<html> 
    <head> 
        <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() { 
                $("div").click(function() { 
                    $("span").wrapInner(function(n) { 
                        return "<i></i>"; 
                    }); 
                }); 
            }); 
        </script> 
        <style> 
            body { 
                width: 250px; 
                padding: 20px; 
                height: 20px; 
                font-size: 20px; 
                border: 2px solid green; 
            } 
        </style> 
    </head> 
    <body> 
        <!-- click on this div and see the change -->
        <div>Welcome to <span>GeeksforGeeks!</span></div> 
    </body> 
</html> 

Output:
Before click on the div element:

After click on the div element:

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