Compare services available on each AWS region

servicesPerAwsRegion.js

// https://aws.amazon.com/about-aws/global-infrastructure/regional-product-services/
(() => {
  const servicesAvailableOnRegion = (region) => Array.from(document.querySelectorAll(`[data-region="${region}"] [data-plc-offer-id]`)).map(node => node.querySelector('a').innerText);
  const regions = Array.from(document.querySelectorAll('[data-region]')).map(node => node.getAttribute('data-region'));
  const spr = regions.reduce((acc, region) => ({...acc, [region]: servicesAvailableOnRegion(region)}), {});

  console.log(spr['us-east-1'].filter(service => !spr['us-east-2'].includes(service)));
})();