jQuery add() method

The jQuery add() method is used to add elements to the existing group of elements. This method can add element to the whole document, or just inside the context element if the context parameter is defined.

Syntax:

$(selector).add(element, context_parameter)

Here selector helps to find the matching element.

Parameters: It accepts two parameters that are specified below:

element: It is the selected element.
context_parameter: It is the context parameter of the element defined.

jQuery code to show the working of add() method:

HTML

<!DOCTYPE html>

<html>
 
<head>

    <script src=

"https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js">

    </script>

    <script>

        $(document).ready(function () {

            $(".heading").add("#para1").add("#span1").

                css("background-color", "lightgreen");

        });

    </script>

</head>
 
<body>

    <p style="color:green" class="heading">

        Welcome to GfG!!!

    </p>

    <p style="color:green" id="para1">

        Welcome to GeeksforGeeks !!!

    </p>

    <span style="color:green" id="span1">

        Article 1 !!!.

    </span>

    <div>This example adds the same css style 

        for both "p" and "span" elements, 

        using its class and id name!!!

    </div>

</body>
 
</html>