Run results for: +new Date vs new Date().getTime() vs Date.now() 100k - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.84 Safari/537.36 OPR/85.0.4341.79

Browser: Opera 85

Operating system: Windows

Device Platform: Desktop

Date tested: 9 months ago

Test name	Executions per second
+new Date	40.0 Ops/sec
new Date().getTime()	51.1 Ops/sec
Date.now()	63.7 Ops/sec

Website performance monitoring

Tests:

+new Date
for(let i = 0; i < 100000;i++){ +new Date; }
new Date().getTime()
for(let i = 0; i < 100000;i++){ new Date().getTime(); }
Date.now()
for(let i = 0; i < 100000;i++){ Date.now() }