How to handle ESC keydown on javascript popup window

Question

I have a javascript window.open popup, and I want the popup to close itself when the user presses the ESC key. I can't figure out how to hook the keydown event (and on what object?) so that I can catch the ESC key.

I'm using jQuery.

Answer 1

Try something like this:

$(document).keydown(function(e) {
    // ESCAPE key pressed
    if (e.keyCode == 27) {
        window.close();
    }
});

Answer 2

Remember that you must use the function @Gumbo posted in the popup-window... So you will need to include JQuery in the popup and execute the function there, not the window that opens the popup.