How to use 'rot13 javascript' in JavaScript
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14 function rot13(str) { 15 let response = []; 16 let strLength = str.length; 17 18 for (let i = 0; i < strLength; i++) { 19 const char = str.charCodeAt(i); 20 21 if (char < 65 || (char > 90 && char < 97) || char > 122) { 22 response.push(str.charAt(i)); 23 } else if ((char > 77 && char <= 90) || (char > 109 && char <= 122)) { 24 response.push(String.fromCharCode(str.charCodeAt(i) - 13)); 25 } else { 26 response.push(String.fromCharCode(str.charCodeAt(i) + 13)); 27 } 28 29 } 30 return response.join(""); 31 }
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95 function rot13(string) { 96 return string.replace(/[a-zA-Z]/g, function (c) { 97 return String.fromCharCode((c<="Z"?90:122)>=(c=c.charCodeAt(0)+13)?c:c-26); 98 }) 99 }