const getDataFromApi = async (pathParam) => {
  return fetch(`https://demo2202897.mockable.io/${pathParam}`).then(res => res.json());
};

// 
const getAllData = async () => {
  const promises = [];
  promises.push(getDataFromApi("qotd"));
  promises.push(getDataFromApi("getLargeData"));
  try {
    const result = await Promise.all(promises);
    document.write(JSON.stringify(result, null, 2)); 
  } catch(e) {
    console.error(e);
  }
}

getAllData();