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Run results for:
parseInt vs Number addition
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<iframe src="https://measurethat.net/Embed?id=509315" 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/121.0.0.0 Safari/537.36
Browser:
Chrome 121
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
No conversion
11.8M/s
Number
4.3M/s
parseInt
4.2M/s
View exact numbers
Test name
Executions per second
✓
No conversion
11,837,001 Ops/sec
Number
4,333,725 Ops/sec
parseInt
4,244,915 Ops/sec
Script Preparation code:
var intA = 42.034; var strB = "42.034";
Tests:
No conversion
var res = intA + strB;
parseInt
var res = parseInt(intA) + parseInt(strB);
Number
var res = Number(intA) + Number(strB);