function addArr(arr){ if(arr.length == 0) return null return arr.reduce((acc, i) => acc + i, 0) }- function addArr(arr){
if(arr.length === 0) return nulllet final = 0arr.forEach(num => {final += num})return final- if(arr.length == 0) return null
- return arr.reduce((acc, i) => acc + i, 0)
- }
const chai = require("chai"); const assert = chai.assert; describe("Solution", function() { it("should test for something", function() { assert.strictEqual(addArr([1, 2, 3, 4, 5]), 15); assert.strictEqual(addArr([1, 100]), 101) assert.strictEqual(addArr([]), null) }); });- const chai = require("chai");
- const assert = chai.assert;
- describe("Solution", function() {
- it("should test for something", function() {
- assert.strictEqual(addArr([1, 2, 3, 4, 5]), 15);
- assert.strictEqual(addArr([1, 100]), 101)
- assert.strictEqual(addArr([]), null)
- });
- });