How to run the code on change event using jQuery ?

Last Updated : 15 May, 2023

In this article, we will see how to run the code on change events using jQuery. The change event is used to trigger when the user changes the value of the element.

Syntax:

$(selector).change(function)

Example: In the below example, we are creating a textarea element that contains GeeksforGeeks text. When the user changes the textarea content and removes the cursor from the textarea, the change event is triggered and the styles are added to the textarea element.

HTML

<!DOCTYPE html>
<html>
<head>
    <title>
        How to run the code on change 
        event using jQuery?
    </title>
    <script src=
"https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js">
    </script>
 
    <script>
        $(document).ready(function() {
            $("textarea").change(function() {
                $("textarea").css({
                    background: "green",
                    color: "white"
                });
            });
        });
    </script>
</head>
 
<body>
    <center>
        <h1 style="color: green;">
            GeeksforGeeks
        </h1>
 
        <h3>
            How to run the code on change 
            event using jQuery?
        </h3>
 
        <textarea rows="5" cols="30">GeeksforGeeks
        </textarea>
    </center>
</body>
 
</html>