How to disable Ctrl+U using Javascript

by

I just want to disable Ctrl+U and Ctrl+C event. The primary purpose of doing this is, preventing users from downloading any image or copying content from my website easily i.e. pressing Ctrl+U for viewing my webpage’s source code or pressing Ctrl+C for copying content directly from my webpage.

Currently, I am using this piece of code but it disables my entire keyboard

 <script>
    /*function check(e)
    {
    alert(e.keyCode);
    }*/
    document.onkeydown = function(e) {
            if (e.ctrlKey && (e.keyCode === 67 || e.keyCode === 86 || e.keyCode === 85 || e.keyCode === 117)) {//Alt+c, Alt+v will also be disabled sadly.
                alert('not allowed');
            }
            return false;
    };
    </script>

1,396 thoughts on “How to disable Ctrl+U using Javascript”

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