Program ROT13 Cypher

Author: PabloGBarcelo

rot13.js

@@ -0,0 +1,22 @@
+function rot13(str) { // LBH QVQ VG!
+  var cadenaLegible=[];
+  var suma=0;
+  for(var cont=0; cont < str.length; cont++){
+    //console.log("Entrada: ")
+    if(str[cont]>= "A" && str[cont]<="M"){
+      suma = 13;
+    }else if (str[cont]>"M" && str[cont]<="Z"){
+      suma = -13;
+    }
+    if (str[cont]>="A" && str[cont]<="Z"){
+      cadenaLegible.push(String.fromCharCode(str.charCodeAt(cont)+suma));
+    }else{
+      cadenaLegible.push(str[cont]);
+    }
+  }
+  console.log(cadenaLegible);
+  return cadenaLegible.join("");
+}
+
+// Change the inputs below to test
+rot13("SERR PBQR PNZC");