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/85.0.4183.83 Safari/537.36 Edg/85.0.564.41

Browser: Chrome 85

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
+new Date	22.4 Ops/sec
new Date().getTime()	27.6 Ops/sec
Date.now()	37.2 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() }