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

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 12_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/73.0.3683.68 Mobile/15E148 Safari/605.1

Browser: Chrome Mobile iOS 73

Operating system: iOS 12.2

Device Platform: Mobile

Date tested: 5 years ago

Test name	Executions per second
Date.now()	1819243.0 Ops/sec
new Date().getTime();	1516450.2 Ops/sec

Script Preparation code:

var timestamp = null;

Tests:

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

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

timestamps perfs

Date.now()

new Date().getTime();