Run results for: Date JS VS MomentJS - isValid

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36

Browser: Chrome 138

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Date JS

788K/s

MomentJS

113K/s

View exact numbers

Test name	Executions per second
✓ Date JS	787,951 Ops/sec
MomentJS	112,684 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/moment@2.29.4/moment.min.js"></script>

Script Preparation code:

const isoDateFormatRegExp = /^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\.\d{3}Z$/;

Tests:

Date JS
const dateString = new Date().toISOString(); let isValid; if (!isoDateFormatRegExp.test(dateString)) { isValid = false; } isValid = !isNaN(new Date(dateString).getTime());
MomentJS
moment(new Date().toISOString(), 'YYYY-MM-DDTHH:mm:ss.SSSZ', true).isValid()