Run results for: Date.now() vs new Date().getTime()

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.3 Safari/605.1.15

Browser: Safari 18

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Date.now()

4.4M/s

new Date().getTime();

3.2M/s

View exact numbers

Test name	Executions per second
✓ Date.now()	4,367,538 Ops/sec
new Date().getTime();	3,175,369 Ops/sec

Script Preparation code:

var timestamp = null;

Tests: