Run results for: luxon3-vs-date-format-fromJSDate

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Browser: Chrome 123

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

js date

3.8M/s

luxon date

482K/s

View exact numbers

Test name	Executions per second
✓ js date	3,829,597 Ops/sec
luxon date	482,232 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/luxon@3.4.4/build/global/luxon.min.js"></script>

Script Preparation code:

window.ds = "2020-02-19T00:51:53.623839+00:00";
window.formatDate = function (date, includeTime, dateDelimiter = '/') {
  let hours = date.getHours();
  const minutes = date.getMinutes();
  const seconds = date.getSeconds();

  const fullSeconds = seconds < 10 ? `0${seconds}` : seconds;
  const fullMinutes = minutes < 10 ? `0${minutes}` : minutes;
  const ampm = hours >= 12 ? 'PM' : 'AM';
  hours = hours % 12;
  hours = hours ? hours : 12;

  if (!includeTime) {
    return `${date.getMonth() + 1}${dateDelimiter}${date.getDate()}${dateDelimiter}${date.getFullYear()}`;
  }

  return `${date.getMonth() + 1}${dateDelimiter}${date.getDate()}${dateDelimiter}${date.getFullYear()} - ${hours}:${fullMinutes}:${fullSeconds} ${ampm}`;
};

Tests:

js date
window.formatDate(new Date(window.ds), true);
luxon date
luxon.DateTime.fromJSDate(new Date(window.ds)).toFormat("mm/dd/yyyy - h:mm:ss a");