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Run results for:
parseInt vs Number vs ~~
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<iframe src="https://measurethat.net/Embed?id=488185" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:120.0) Gecko/20100101 Firefox/120.0
Browser:
Firefox 120
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
No conversion
745357568.0 Ops/sec
parseInt
743623808.0 Ops/sec
Number
34903272.0 Ops/sec
~~
743337600.0 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);
~~
var res = ~~intA + ~~strB;