December 6, 2015 06:36 · Dec 6, 2015
diff --git a/bonfire-missing-letters#.js b/bonfire-missing-letters#.js
@@ -0,0 +1,26 @@
+// Bonfire: Missing letters
+// Author: @dannycoder
+// Challenge: http://www.freecodecamp.com/challenges/bonfire-missing-letters#
+// Learn to Code at Free Code Camp (www.freecodecamp.com)
+
+function fearNotLetter(str) {
+
+  //detect if the letter is missing
+  if(str.length === (str.charCodeAt(str.length - 1) - str.charCodeAt(0) + 1 )){
+
+        return undefined;
+
+  } else {
+
+      //track down the missing letter 
+      for(var i = str.charCodeAt(0), j = 0; i <= str.charCodeAt(str.length -1); i++, j++) {
+
+           //return the missing letter
+           if(String.fromCharCode(str.charCodeAt(j)) !== String.fromCharCode(i)) {
+               return String.fromCharCode(i);
+           }
+      }
+  }
+}
+
+fearNotLetter("abce");