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

Run details:

User agent: Mozilla/5.0 (Linux; U; Android 11; es-us; Redmi Note 8 Pro Build/RP1A.200720.011) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/89.0.4389.116 Mobile Safari/537.36 XiaoMi/MiuiBrowser/13.3.0-gn

Browser: Chrome Mobile 89

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
Date.now()	1227867.0 Ops/sec
new Date().getTime();	1039904.0 Ops/sec
performance.now()	760985.6 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()