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Run results for:
parseInt vs Number vs Plus addition
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<iframe src="https://measurethat.net/Embed?id=614114" 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/138.0.0.0 Safari/537.36
Browser:
Chrome 138
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Plus
159.6M/s
Number
148.1M/s
parseInt
125.4M/s
No conversion
120.2M/s
View exact numbers
Test name
Executions per second
✓
Plus
159,569,168 Ops/sec
Number
148,070,704 Ops/sec
parseInt
125,410,440 Ops/sec
No conversion
120,219,440 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);
Plus
var res = +intA + +strB;