refactoring (#4)

functions/CountOccurences.js

@@ -0,0 +1,7 @@
+const CountOccurences = (arr, value) => {
+    return arr.filter((v) => (v === value)).length;
+};
+
+module.exports = { CountOccurences };
+
+//console.log(countOccurrences([1,2,3,4,3,2,3,3,2],2));