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yarkovaleksei/js_rot13.js

Created June 15, 2016 07:31
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js_rot13.js
var str = "My top secret phrase!"
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);
});
};
alert(str.rot13());
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