passed all tests

05_sumAll/sumAll.js

@@ -8,6 +8,15 @@ const sumAll = function(x, y) {
 
         else if (Number.isInteger(x) == false || Number.isInteger(y) == false) {return('ERROR')}
 
+        else if (x > y) {
+            let X = y;
+            let Y = x;
+            for (let i = X+1; i <=Y; i++) {
+                theSum = X += i 
+                }
+            return theSum
+        }
+         
         else  
 
         {