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Run results for:
parseInt vs Number addition
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<iframe src="https://measurethat.net/Embed?id=573722" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.1.1 Safari/605.1.15
Browser:
Safari 18
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
No conversion
237.3M/s
parseInt
41.6M/s
Number
10.4M/s
View exact numbers
Test name
Executions per second
✓
No conversion
237,340,336 Ops/sec
parseInt
41,599,868 Ops/sec
Number
10,405,495 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);