Created
March 13, 2018 21:19
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ROT13 Encode/Decode
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| rot13 (s) { | |
| return s.split('').map((_) => { | |
| if (!_.match(/[A-Za-z]/)) return _ | |
| var c = Math.floor(_.charCodeAt(0) / 97) | |
| var k = (_.toLowerCase().charCodeAt(0) - 83) % 26 || 26 | |
| return String.fromCharCode(k + ((c === 0) ? 64 : 96)) | |
| }).join('') | |
| } |
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