js 获取网络时间

fetch('https://worldtimeapi.org/api/ip')
  .then(response => {
    const serverDate = response.headers.get('Date');
    console.log('Server Date:', serverDate);
  })
  .catch(error => console.error('Error fetching date:', error));

fetch('https://worldtimeapi.org/api/ip')
  .then(response => response.json())
  .then(data => {
    const networkTime = new Date(data.datetime).toLocaleString();
    console.log('Network Time:', networkTime);
  })
  .catch(error => console.error('Error fetching time:', error));

async function getNetworkTime() {
  const requests = [];
  for (let i = 0; i < 5; i++) {
    requests.push(fetch('https://worldtimeapi.org/api/ip').then(response => response.json()));
  }
  const results = await Promise.all(requests);
  const times = results.map(data => new Date(data.datetime).getTime());
  const averageTime = times.reduce((sum, time) => sum + time, 0) / times.length;
  return new Date(averageTime).toLocaleString();
}

getNetworkTime().then(time => console.log('Average Network Time:', time));