The  is used to wait for a promise to settle. It pauses the execution of an async function until the promise is either fulfilled or rejected.

 

const API_URL = "https://starwars.egghead.training/";const output = document.getElementById("output");const spinner = document.getElementById("spinner");async function queryAPI(endpoint) {  const response = await fetch(API_URL + endpoint);  if (response.ok) {    return response.json();  }  throw Error("Unsuccessful response");}async function main() {  try {    const [films, planets, species] = await Promise.all([      queryAPI("films"),      queryAPI("planets"),      queryAPI("species")    ]);    output.innerText =      `${films.length} films, ` +      `${planets.length} planets, ` +      `${species.length} species`;  } catch (error) {    console.warn(error);    output.innerText = ":(";  } finally {    spinner.remove();  }}main();