Run results for: moment vs own

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.62 Safari/537.36

Browser: Chrome 76

Operating system: Mac OS X 10.14.5

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
mom	521666.8 Ops/sec
own	717857.3 Ops/sec

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.22.0/moment.min.js'></script>

Tests:

mom
const d = new Date(); moment().isBefore(d)
own
const d = new Date(); const seconds = 1000; const minutes = 60 * seconds; const hours = 60 * minutes; const days = 24 * hours; const granularities = { seconds, minutes, hours, days, }; function compare(first, second, granularity = 'seconds') { const accuracy = granularities[granularity].toString().length; const [a, b] = [first, second].map(date => (date instanceof Date ? date.getTime() : date).toString(), ); return ( +a.substring(0, a.length - accuracy) - +b.substring(0, b.length - accuracy) ); }; compare(new Date(), d) <= 0