Capture Shift, Alt and Ctrl Keys using jQuery

September 7, 2009

Capture Shift, Alt and Ctrl Keys using jQuery

Monday, September 07, 2009 Posted by Suprotim Agarwal
Labels: ASP.NET, jQuery

A user mailed me a question:

I have a Form. If a user clicks on a Button control or clicks anywhere in the form holding the Shift, Alt or Ctrl Keys, I want to capture these keys and take a different action.

Here’s how to achieve this simple task:

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>Capture Shift, Alt and Ctrl Keys</title>
       <script src="http://code.jquery.com/jquery-latest.js"    
        type="text/javascript"></script>
    <script type="text/javascript">
        $(document).click(function(e) {
            if (e.shiftKey) {
                alert("Shift pressed");
            }
            else if (e.ctrlKey) {
                alert("Ctrl Pressed");
            }
            else if (e.altKey) {
                alert("Alt Pressed");
            }
        });
    </script>
</head>
<body>

</body>
</html>

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About The Author

Suprotim Agarwal, ASP.NET Architecture MVP works as an Architect Consultant and provides consultancy on how to design and develop Web applications.

Suprotim is also the founder and primary contributor to DevCurry, DotNetCurry and SQLServerCurry. He has also written an EBook 51 Recipes using jQuery with ASP.NET Controls.

Follow him on twitter @suprotimagarwal