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Editorial Team
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Asked: 2026-06-13T04:09:49+00:00

I’m trying to use the function keys in a web application. For example, if

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I’m trying to use the function keys in a web application.
For example, if the user presses F2 or F3, the app must do something.
Is this possible?
Thanks

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1 Answer

  1. Editorial Team

    Here’s a jQuery solution, using keydown.

    <!doctype html>
<html>
 <head>
 <script type="text/javascript" src="jquery.min.js"></script>
 <script type="text/javascript">
    $(document).ready(function(){
        $("body").keydown(function(key) {
            if (key.which == 113) { // F2 key
                alert("testing");
            }
        });
    });
 </script>
 </head>
 <body>
  Test page. 
 </body>
</html>

    Note – the function keys might be reserved for other uses (e.g. F5 is ‘refresh page’), so using these keys might not be advisable.

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