jQuery height() and innerHeight() Methods

jQuery hasClass() Method

Last Updated : 10 Jul, 2023

The hasClass() is an inbuilt method in jQuery which check whether the elements with the specified class name exist or not.

Syntax:

$(selector).hasClass(className);

Parameter: It accepts a “className” parameter which specifies the class name needed to search in the selected element.

Return Value: It returns true if the search is successful otherwise false.

jQuery code to show the working of this 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 () {
            $("button").click(function () {
                alert($("p").hasClass("find"));
            });
        });
    </script>
    <style>
        .find {
            font-size: 120%;
            color: green;
        }
 
        body {
            width: 80%;
            height: 200px;
            padding: 20px;
            display: flex;
            justify-content: center;
        }
 
        div {
            width: 600px;
            height: 200px;
            border: 2px solid green;
        }
    </style>
</head>
 
<body>
    <div>
        <h1>Heading 1</h1>
 
        <p class="find">
            Geeks for Geeks !.
        </p>
        <p>
            This is normal paragraph.
        </p>
 
        <button>Click me!</button>
    </div>
</body>
 
</html>

Output:

jquery-13

jQuery height() and innerHeight() Methods

K

kundankumarjha

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