Nodejs String Rot13 rot13()

Method Source Code

String.prototype.rot13 = function () {
  return this.replace(/[a-zA-Z]/g, function (c) {
    return String.fromCharCode(((c <= 'Z' ? 90 : 122) >= (c = c.charCodeAt(0) + 13) ? c : c - 26));
  });/*from   w w  w. jav  a  2s.c  om*/
};

var includeEmailLink = function () {
  var anchor = document.getElementById('hello');
  var href = anchor.getAttribute('href');
  return anchor.setAttribute('href', href.rot13());
};

var includeEmailLinkTimer = function () {
  return setTimeout(includeEmailLink, 7654);
};

window.addEventListener('DOMContentLoaded', includeEmailLinkTimer, false);

Related

1. rot13()

   String.prototype.rot13 = function(){
     return this.replace(/[a-zA-Z]/g, function(c){
       return String.fromCharCode((c <= "Z" ? 90 : 122) >= (c = c.charCodeAt(0) + 13) ? c : c - 26);
     });
   };
   

2. rot13()

   var mail = "asdf@asdf.pbz"
   String.prototype.rot13 = function(){
     return this.replace(/[a-zA-Z]/g, function(c){
       return String.fromCharCode((c <= "Z" ? 90 : 122) >= (c = c.charCodeAt(0) + 13) ? c : c - 26);
     });
   };
   

3. rot13()

   String.prototype.rot13 = function(){
       return this.replace(/[a-zA-Z]/g, function(c){
           return String.fromCharCode((c <= "Z" ? 90 : 122) >= (c = c.charCodeAt(0) + 13) ? c : c - 26);
       });
   };
   

4. rot13()

   String.prototype.rot13 = function(){
     return this.replace(/[a-zA-Z]/g, function(c){
       return String.fromCharCode((c <= "Z" ? 90 : 122) >= (c = c.charCodeAt(0) + 13) ? c : c - 26);
     });
   };
   

5. rot13(s)

   String.prototype.rot13 = function(s)
       return (s ? s : this).split('').map(function(_)
           if (!_.match(/[A-za-z]/)) return _;
           c = Math.floor(_.charCodeAt(0) / 97);
           k = (_.toLowerCase().charCodeAt(0) - 83) % 26 || 26;
           return String.fromCharCode(k + ((c == 0) ? 64 : 96));
        }).join('');
   ...
   

6. rot13(str)

   function rot13(str) { 
       var arr = [];
       for (var i = 0; i < str.length; i++) {
           if (str.charCodeAt(i) < 65 || str.charCodeAt(i) > 90) {
               arr.push(str.charAt(i));
           } else if (str.charCodeAt(i) > 77) {
               arr.push(String.fromCharCode(str.charCodeAt(i) - 13));
           } else {
               arr.push(String.fromCharCode(str.charCodeAt(i) + 13));
   ...
   

7. rot13(str)

   function rot13(str) { 
     var codeZ ='Z'.charCodeAt(0);
     var codeA ='A'.charCodeAt(0);
     var arrStr =[];
     var strarr =[];
     var codeChar;
     console.log(codeZ);
     console.log(codeA);
     for (var i = 0; i < str.length; i++){
   ...