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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.81 Safari/537.36

Browser: Chrome 104

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
+new Date	57.9 Ops/sec
new Date().getTime()	75.3 Ops/sec
Date.now()	75.2 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() }