sdg.js

const new_car = new Promise((resolve, reject) => {
  setTimeout(() => {
    resolve("This is the car.Enjoy!!!");
  }, 3000);
});

new_car
  .then((value) => {
    alert(value); //ths code runs because promise resolves
  })
  .finally(() => {
    alert("result is ready");   //it always runs 
  })
  .catch((error) => {
    alert(error);
  });