src/isEven.js
zzmq.dev@gmail.com[dev3]/mathkit[add-lcm-b-function-returns-least-common] / src / isEven.js
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This file contains an exported function `isEven` which determines whether a given integer is even. It also includes test cases to verify the correctness of this function.
+import { test } from "node:test";
+import assert from "node:assert/strict";
+export function isEven(n) {
+ return n % 2 === 0;
+}
+
+test("isEven", () => {
+ assert.strictEqual(isEven(1), false);
+ assert.strictEqual(isEven(2), true);
+ assert.strictEqual(isEven(-1), false);
+ assert.strictEqual(isEven(0), true);
+});
+