index.html

<!doctype html>
<html>
    <head>
        <script type="text/javascript" src="keymage.js"></script>
    </head>
    <body>
        <script type="text/javascript">
    keymage('defmod-. c', function(e) {
        console.log(arguments);
        e.preventDefault();
    });

    keymage('chat', 'defmod-. k', function(e) {
        console.log('CHAT', arguments);
        e.preventDefault();
    });

    keymage('chat.input', 'defmod-. e', function(e) {
        console.log('CHAT INPUT', arguments);
        e.preventDefault();
    });

    keymage('defmod-. shift-meta-j', function(e) {
        console.log('default prevented');
    }, {preventDefault: true});

    keymage.setScope('chat.input');
        </script>
    </body>
</html>