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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:135.0) Gecko/20100101 Firefox/135.0

Browser: Firefox 135

Operating system: Windows

Device Platform: Desktop

Date tested: 10 days ago

Test name	Executions per second
Date.now()	6495069.0 Ops/sec
performance.now	2460824.8 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();