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Thread: JavaScript to disable f5 button

  1. #1
    Join Date
    Apr 2010
    Posts
    1

    JavaScript to disable f5 button

    hi,
    i am using below code to disable f5 button
    <script>
    window.history.forward(1);
    document.attachEvent("onkeydown", my_onkeydown_handler);
    function my_onkeydown_handler()
    {
    switch (event.keyCode)
    {

    case 116 : // 'F5'
    event.returnValue = false;
    event.keyCode = 0;
    window.status = "We have disabled F5";
    break;
    }
    }
    </script>


    but it is not working
    can any one help me with a better one


    Thanks in Advance.

  2. #2
    Join Date
    Dec 2003
    Location
    Bucharest, ROMANIA
    Posts
    15,428
    There are some special keys (most of the functions and combination of) which, even if they can be captured in javascript, can not be stopped/disabled. Some of them are controlled only by the Operating System. For instance, for a Windows PC: Alt+F4. or CTRL+ALT+DELETE.

    It is absolutely logical. You can not prevent the owner of a PC from closing his browser, can you?

    It looks like F5 is one of those keys

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