javascript wait 5 sec

function sleep(milliseconds) {
  const date = Date.now();
  let currentDate = null;
  do {
    currentDate = Date.now();
  } while (currentDate - date < milliseconds);
}

console.log("Hello");
sleep(2000);
console.log("World!");function sleep(ms) {
   return new Promise(resolve => setTimeout(resolve, ms));
}function stateChange(newState) {
    setTimeout(function () {
        if (newState == -1) {
            alert('VIDEO HAS STOPPED');
        }
    }, 5000);
}
timeout(ms) { //pass a time in milliseconds to this function
    return new Promise(resolve => setTimeout(resolve, ms));
  }