console.log("1");
 
setTimeout(() => console.log("2"), 0);
 
new Promise((resolve, reject) => {
  console.log("3");
  reject();
})
  .then(() => console.log("4"))
  .catch(() => console.log("5"))
  .catch(() => console.log("6"))
  .then(() => console.log("7"))
  .then(() => console.log("8"))
  .catch(() => console.log("9"));