jQuery :first-of-type Selector

Last Updated : 06 Jul, 2023

The jQuery :first-of-type Selector is used to select all elements that are the first child, of a particular type, of their parent.

Syntax:

$(":first-of-type")

The below examples illustrate the:first-of-type selector in jQuery:

Example 1: This example changes the background color to green and the text color to white, of the first heading of their parents (div tags).

HTML

<!DOCTYPE html>
<html>

<head>
    <title>
        jQuery | :first-of-type Selector
    </title>
    <script src=
"https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js">
    </script>
    <!-- Script to use first-of-child selector -->
    <script>
        $(document).ready(function () {
            $("h4:first-of-type").css({
                "background-color": "green",
                "color": "white"
            });
        });
    </script>
    <style>
        option {
            font-weight: bold;
            font-size: 25px;
            color: green;
        }

        select {
            font-weight: bold;
            font-size: 25px;
            color: green;
        }
    </style>
</head>

<body style="text-align:center; width: 500px; margin: auto">
    <h1>
        jQuery | :first-of-type Selector
    </h1>
    <div style="border:1px solid blue;">
        <h4>The first heading in first div.</h4>
        <h4>The last heading in first div.</h4>
    </div><br>
    <div style="border:1px solid blue;">
        <h4>The first heading in second div.</h4>
        <h4>The last heading in second div.</h4>
    </div>
</body>

</html>

Output:

Example 2: This example changes the background-color to green and text-color to white, of the first heading of <body> tag.

HTML

<!DOCTYPE html>
<html>

<head>
    <title>
        jQuery | :first-of-type Selector
    </title>
    <script src=
"https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js">
    </script>
    <!-- Script to use first-of-child selector -->
    <script>
        $(document).ready(function () {
            $("h4:first-of-type").css({
                "background-color": "green",
                "color": "white"
            });
        });
    </script>
    <style>
        option {
            font-weight: bold;
            font-size: 25px;
            color: green;
        }

        select {
            font-weight: bold;
            font-size: 25px;
            color: green;
        }
    </style>
</head>

<body style="text-align:center; width: 500px; margin: auto">
    <h1>
        jQuery | :first-of-type Selector
    </h1>
    <h4>The first heading in body.</h4>
    <h4>The last heading in body.</h4>
</body>

</html>