assesment.js

//promise function

let myPromise = new Promise(function (myResolve, myReject) {
  let x = 1;

  // The producing code (this may take some time)

  if (x == 0) {
    myResolve("OK");
  } else {
    myReject("Error");
  }
});

myPromise.catch(
  function (value) {
    console.log(value);
  },
  function (error) {
    console.log(error);
  }
);

//asynchronous
async function myFunction() {
  return "Hello";
}
myFunction().then(
  function (value) {
    console.log(value);
  },
  function (error) {
    console.log(error);
  }
);

//await
async function myDisplay() {
  let myPromise = new Promise(function (resolve, reject) {
    resolve("Kirtti");
  });
  console.log(await myPromise);
}

myDisplay();

//
function myFirst() {
  console.log("Kirttinath");
}

function mySecond() {
  console.log("Goodbye");
}
mySecond(); //this will execute first
myFirst(); //second this is execute