added second solution for caesar cipher

Kyle Maune · Kyle Maune · commit 7a0ba1a61be4 · 2014-07-14T14:31:34.000-07:00
diff --git a/Medium Difficulty/caesarCipher2.js b/Medium Difficulty/caesarCipher2.js
@@ -0,0 +1,18 @@
+// coderbyte solution for caesar cipher
+// splashinn
+
+function CaesarCipher(str, num) {
+  return str.replace(/./g, function (l) {
+    var c = l.charCodeAt();
+    if (c >= 65 && c <= 90) {
+      c += num;
+      return String.fromCharCode(c > 90 ? 65 + c - 91 : c);
+    }
+    if (c >= 97 && c <= 122) {
+      c += num;
+      return String.fromCharCode(c > 122 ? 97 + c - 123 : c);
+    }
+    return l;
+  });
+
+}
