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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=608448" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36
Browser:
Chrome 137
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Date.now()
300/s
new Date().getTime()
253/s
+new Date
130/s
View exact numbers
Test name
Executions per second
✓
Date.now()
300 Ops/sec
new Date().getTime()
253 Ops/sec
+new Date
130 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() }