index.js

import multiply from './multiply';
import sum from './sum';

const totalMultiply = multiply(5, 3);
const totalSum = sum(5, 3);

// create the body
const body = document.createElement("body");
document.documentElement.appendChild(body);

// calculate the product and add it to a span
const multiplyResultsSpan = document.createElement('span');
multiplyResultsSpan.appendChild(document.createTextNode(`Product of 5 and 3 = ${totalMultiply}`));

// calculate the sum and add it to a span
const sumResultSpan = document.createElement('span');
sumResultSpan.appendChild(document.createTextNode(`Sum of 5 and 3 = ${totalSum}`));

// add the results to the page
document.body.appendChild(multiplyResultsSpan);
document.body.appendChild(sumResultSpan);