oak-ib

const delay = (millis) =>
  new Promise((resolve, reject) => {
    setTimeout((_) => resolve(), millis);
  });

async function postData(url = '', data = {}) {
  // Default options are marked with *
  const response = await fetch(url, {
    method: 'POST', // *GET, POST, PUT, DELETE, etc.
    mode: 'cors', // no-cors, *cors, same-origin