counter

Author: nilajcoder

Programs/Exercise/counter.js

@@ -0,0 +1,29 @@
+/*
+
+Given an integer n, return a counter function. 
+This counter function initially returns n and then returns 1 
+more than the previous value every subsequent time it is called (n, n + 1, n + 2, etc).
+
+ 
+
+Example 1:
+
+Input: 
+n = 10 
+["call","call","call"]
+Output: [10,11,12]
+*/
+
+var createCounter = function(n) {
+    
+    return function() {
+        return n++
+    };
+};
+
+const counter = createCounter(10);
+
+console.log(counter()); // 10
+console.log(counter()); // 11
+console.log(counter()); // 12
+console.log(counter()); // 13