$(document).on("keypress",function(e){

        var e2 = e || window.event;

        var code = e2.keyCode || e2.which;  console.log(e);

  $('body').text(code+"-"+String.fromCharCode(code)+(chars.hasOwnProperty(code)?chars[code]:"<br>?</br>"));     

    });

​

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