等待forEach循环结束以呈现- Javascript

function waitForEach(array) {
  return new Promise(async (resolve) => {
    for (const item of array) {
      await doSomethingAsync(item);
    }
    resolve();
  });
}

async function main() {
  const array = [1, 2, 3, 4, 5];
  await waitForEach(array);
  console.log('循环结束');
}

main();

function waitForEach(array, callback) {
  if (array.length === 0) {
    callback();
    return;
  }

  const item = array.shift();
  doSomethingAsync(item, () => {
    waitForEach(array, callback);
  });
}

function main() {
  const array = [1, 2, 3, 4, 5];
  waitForEach(array, () => {
    console.log('循环结束');
  });
}

main();