Atiqa N.

task-1/count-above-threshold.js

@@ -1 +1,15 @@
-//Your code here
+function countAboveThreshold(numbers, threshold) {
+    if (numbers.length === 0) {
+        return 0;
+    }
+    let counter = 0;
+    for (let i = 0; i < numbers.length; i++) {
+        if (numbers[i] > threshold) {
+            counter++;
+        }
+    }
+    return counter;
+}
+console.log(countAboveThreshold([1,5,10,3],4))// returns 2
+console.log(countAboveThreshold([7,8,9],10))// returns 0
+console.log(countAboveThreshold([],5))// returns 0

task-2/calculateAverage.test.js

@@ -0,0 +1,22 @@
+import { test, expect } from "vitest";
+import { calculateAverage } from "./calculateAverage.js";
+
+test("calculateAverage function with array [2, 4, 6] should return 4", () => {
+  expect(calculateAverage([2, 4, 6])).toBe(4);
+});
+
+test("array with a single number 5 should return 5", () => {
+  expect(calculateAverage([5])).toBe(5);
+});
+
+test("empty array [] should return null", () => {
+  expect(calculateAverage([])).toBe(null);
+});
+
+test("non-array input '123' should return null", () => {
+  expect(calculateAverage(['123'])).toBe(null);
+});
+
+test("An array containing a non-number value [1, 2, '3'] should return null", () => {
+  expect(calculateAverage([1, 2, '3'])).toBe(null);
+});