test out TS

Author: 95tuanle

javascript/Counter2620.js

@@ -0,0 +1,12 @@
+/*
+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).
+*/
+const createCounter = n => () => n++;
+
+
+const counter = createCounter(5);
+console.log(counter()); // 5
+console.log(counter()); // 6
+console.log(counter()); // 7
+console.log(counter()); // 8
+

typescript/Counter2620.ts

@@ -0,0 +1,7 @@
+const createCounter = (n: number): () => number => () => n++;
+
+const counter2620 = createCounter(2620);
+console.log(counter2620()); // 2620
+console.log(counter2620()); // 2621
+console.log(counter2620()); // 2622
+console.log(counter2620()); // 2623