In this tutorial, We will learn how to prevent or disable f5 refresh in jquery. 


Example:

<!DOCTYPE html>
<html>
    <head>
        <title>How to disable f5 refresh button using jquery?</title>
        <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.0/jquery.min.js"></script>
    </head>
    <body>
        <div class="container">
            <h1>How to disable f5 refresh button using jquery?</h1>
        </div>
        <script type="text/javascript">
            $(document).ready(function () {
                $(window).keydown(function (event) {
                    if (event.keyCode == 116) {
                        event.preventDefault();
                        return false;
                    }
                });
            });
        </script>
    </body>
</html>


Thanks, May this example will help you.......