const exampleDate = new Date('2018-01-02T03:04:05.678Z'); // 2 January 2018, 03:04:05.678 (UTC)
console.log(exampleDate.getUTCMilliseconds());
// expected output: 678
const exampleDate = new Date('2018-01-02T03:04:05.678Z'); // 2 January 2018, 03:04:05.678 (UTC)
console.log(exampleDate.getUTCMilliseconds());
// expected output: 678