async await promise all with error handling code example

Example 1: async await catch error

async function f() {

  try {
    let response = await fetch('/no-user-here');
    let user = await response.json();
  } catch(err) {
    // catches errors both in fetch and response.json
    alert(err);
  }
}

Example 2: promise.all async await

async function fetchABC() {
  const [a, b, c] = await Promise.all([a(), b(), c()]);

}