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Run results for:
+new Date vs new Date().getTime() vs Date.now() 100k
testing performance of +new Date vs new Date().getTime() vs Date.now() with 100k iteration
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<iframe src="https://measurethat.net/Embed?id=496964" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (iPad; CPU OS 17_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/120.0.6099.119 Mobile/15E148 Safari/604.1
Browser:
Chrome Mobile iOS 120
Operating system:
iOS 17.2
Device Platform:
Tablet
Date tested:
2 years ago
Date.now()
88/s
new Date().getTime()
86/s
+new Date
53/s
View exact numbers
Test name
Executions per second
✓
Date.now()
88 Ops/sec
new Date().getTime()
86 Ops/sec
+new Date
53 Ops/sec
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() }