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Run results for:
Date.valueOf vs Date.getTime() vs Number vs unary STRING
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<iframe src="https://measurethat.net/Embed?id=607627" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:138.0) Gecko/20100101 Firefox/138.0
Browser:
Firefox 138
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
one year ago
valueOf
9.8M/s
getTime
9.7M/s
Number(new Date())
6.5M/s
unary
6.3M/s
View exact numbers
Test name
Executions per second
✓
valueOf
9,760,776 Ops/sec
getTime
9,711,235 Ops/sec
Number(new Date())
6,481,924 Ops/sec
unary
6,297,623 Ops/sec
Tests:
getTime
const a = new Date("2013/09/05 15:34:00").getTime()
valueOf
const a = new Date("2013/09/05 15:34:00").valueOf()
Number(new Date())
Number(new Date("2013/09/05 15:34:00"))
unary
+new Date("2013/09/05 15:34:00")