// Variable Assignment
const getData = async function () {
  try {
    const data = await fakeAsyncCall();
    console.log(data); // foo data
  } catch (error) {
    console.error(`Uh oh: ${error}`);
  }
};

// IIFE
(async function() {
  try {
    const data = await fakeAsyncCall();
    console.log(data); // foo data
  } catch (error) {
    console.error(`Uh oh: ${error}`);
  }
})();