t.html

<!DOCTYPE HTML>
<html lang="en-US">
    <head>
    
    <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"> </script>
    <script type="text/javascript" src="jquery.fullscreen/release/jquery.fullscreen.min.js"> </script>
        <script type="text/javascript">
        $(function() {
            $('.open').click(function() {
                $('body').fullscreen();
                return false;
            });
            $('.close').click(function() {
                $.fullscreen.exit();
                return false;
            });
        });
        </script>
    
    </head>
    <body>
    
        <p>
<a href="https://www.google.com" class="open">Open Fullscreen</a> / <a href="#" class="close">Exit fullscreen</a>
</p>
    </body>
</html>