fibonacci regular recursion

davidngu3 · davidngu3 · commit d4f875002305 · 2020-10-09T16:26:16.000+11:00
diff --git a/fibonacci/fibonacci.js b/fibonacci/fibonacci.js
@@ -1,5 +1,11 @@
-const fibonacci = function() {
-
+const fibonacci = function(a) {
+    if (a < 1) {
+        return "OOPS";
+    }
+    if (a <= 2) {
+        return 1;
+    }
+    return fibonacci(a-1) + fibonacci(a-2);
 }
 
 module.exports = fibonacci
