$(document).ready(function(){
    var display = $('#textarea').val();
    $('#textarea').keypress(function(e){
        if(e.shiftKey === true){
            if(e.which == 13){

            }

        }else{
            if(e.which == 13){
                  // submit to form using submit()
                  $('span#display').html(display);
                  return false;
            }
        }
    });
});