jQuery: fromCharCode > charCodeAt

more at: http://stackoverflow.com/a/302462/1250044 http://mathiasbynens.be/notes/javascript-escapes#unicode

HTML

<input id='charCodeAt'>
<input id='fromCharCode'>

JavaScript

$('input').on('keydown', function(e){
    var str = String.fromCharCode(e.which);
    $('#charCodeAt')[0].value = str.charCodeAt(0);
    $('#fromCharCode')[0].value = encodeURIComponent(str);
    return false;
});