RosettaCodeData/Task/Caesar-cipher/JavaScript/caesar-cipher-1.js

12 lines
294 B
JavaScript

function caesar (text, shift) {
return text.toUpperCase().replace(/[^A-Z]/g,'').replace(/./g, function(a) {
return String.fromCharCode(65+(a.charCodeAt(0)-65+shift)%26);
});
}
// Tests
var text = 'veni, vidi, vici';
for (var i = 0; i<26; i++) {
console.log(i+': '+caesar(text,i));
}