Ceaser code travese

ceaser.js

ceaser_code = function(comb){
  for(var offset = 1; offset < 27; offset++){
    var output = "";
    for(var i in comb){
      var ch = comb.charCodeAt(i);
      ch = ch + offset > 122? 97 + ch + offset -122: ch+offset;
      
      output += String.fromCharCode(ch);
    }
    console.log(offset + ':' + output);
  }
}