Reverse a string with built-in functions

Author: highflyer910

caesarcipher.js

@@ -0,0 +1,24 @@
+function caesarCipher(str,num) {
+  num = num % 26;
+  var lowerCaseString = str.toLowerCase();
+  var alphabet = 'abcdefghijklmnopqrstuvwxyz'.split('');
+  var newString = '';
+  
+  for (var i = 0; i < lowerCaseString.length; i++) {
+    var currentLetter = lowerCaseString[i];
+    if (currentLetter === ' ') {
+      newString += currentLetter;
+      continue;
+    }
+    var currentIndex = alphabet.indexOf(currentLetter);
+    var newIndex = currentIndex + num;
+    if (newIndex > 25) newIndex = newIndex - 26;
+    if (newIndex < 0) newIndex = 26 + newIndex;
+    if (str[i] === str[i].toUpperCase()) {
+      newString += alphabet[newIndex].toUpperCase();
+    }
+    else newString += alphabet[newIndex];
+  };
+  
+  return newString;
+}

reverseword.js

@@ -0,0 +1,6 @@
+//Reverse a String With Built-In Functions
+
+
+function reverseWord(str){
+	 return str.split("").reverse().join("");
+}