Run results for: Date.now() - Date.now() vs performance.now() - performance.now()

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6.1 Safari/605.1.15

Browser: Safari 17

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one month ago

Test name	Executions per second
Date.now()	16013262.0 Ops/sec
performance.now	8283056.5 Ops/sec

Script Preparation code:

var timedif = null;

AخA
 
var timedif = null;

Tests:

Date.now()
timedif = Date.now() - Date.now();
timedif = Date.now() - Date.now();
performance.now
timedif = performance.now() - performance.now();
timedif = performance.now() - performance.now();