JS console.log quest (micro/macro task queues)

queue.js

// what will be the output to the console?

console.log(1);

setTimeout(() => {
  console.log(2);
  setTimeout(() => console.log(3), 200);
}, 200);

new Promise(() => console.log(4));

setTimeout(() => console.log(5), 0);

Promise.resolve().then(() => console.log(6));

setTimeout(() => console.log(7), 400);

new Promise((resolve) => {
  setInterval(() => resolve(8), 100);
}).then(console.log);