How to run a code on scroll event in jQuery?

How to run a code on document ready event in jQuery ?

Last Updated : 29 May, 2023

In this article, we will see how to run a code when a page loads using jQuery. To run a code at page load time, we will use the ready() method. This method helps to load the whole page and then execute the rest code. This method specifies the function to execute when the DOM is fully loaded.

Syntax:

$(document).ready(function)

Parameters: This method accepts a single parameter function which is mandatory. It is used to specify the function to run after the document is loaded.

Return Value: This method returns the document after performing the ready() method.

Example: In this example, we will use the ready() method.

HTML

<!DOCTYpe html>
<html>

<head>
    <title>
        How to run a code on document
        ready event in jQuery?
    </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 () {
            $("body").css("text-align", "center");
            $("h1").css("color", "green");
            $("p").css("font-size", "14px");
            $("p").css("font-weight", "bold");
        });
    </script>
</head>

<body>
    <h1>GeeksforGeeks</h1>
    <h3>
        How to run a code on document
        ready event in jQuery?
    </h3>
    <p>GeeksforGeeks: A computer science portal</p>
</body>

</html>

Output:

How to run a code on scroll event in jQuery?

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