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

Run details:

User agent: Mozilla/5.0 (Linux; Android 11; M2004J19C Build/RP1A.200720.011) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.6834.79 Mobile Safari/537.36

Browser: Chrome Mobile 132

Operating system: Android

Device Platform: Mobile

Date tested: 3 months ago

Test name	Executions per second
Date.now()	462449.0 Ops/sec
new Date().getTime();	419622.6 Ops/sec
performance.now()	207389.3 Ops/sec

Script Preparation code:

var timestamp = null;

Tests:

Date.now()
timestamp = Date.now();
new Date().getTime();
timestamp = new Date().getTime();
performance.now()
timestamp = performance.now()

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

Date.now()

new Date().getTime();

performance.now()