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src/isEven.js

zzmq.dev@gmail.com[dev2]/mathkit[add-isprime-n-function-returns-whether-n] / src / isEven.js @ 78934f5a Download
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  • file 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);
 });