Practical task on Promise (the task was announced but not fully disclosed in the transcript).

Promise in JavaScript is used for handling asynchronous operations. A practical task might involve, for example, executing multiple asynchronous actions sequentially or handling errors.

Example: sequential execution of two asynchronous functions using Promise:

function asyncTask1() {
  return new Promise((resolve) => {
    setTimeout(() => {
      console.log('Task 1 completed');
      resolve(1);
    }, 1000);
  });
}

function asyncTask2(prevResult) {
  return new Promise((resolve) => {
    setTimeout(() => {
      console.log('Task 2 completed, received:', prevResult);
      resolve(prevResult + 1);
    }, 1000);
  });
}

asyncTask1()
  .then(result => asyncTask2(result))
  .then(finalResult => console.log('All tasks completed, result:', finalResult))
  .catch(error => console.error('Error:', error));

This approach allows managing asynchronous code sequentially and handling possible errors.