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Run results for:
parseInt vs Number vs ~~
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<iframe src="https://measurethat.net/Embed?id=486021" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36
Browser:
Chrome 119
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
No conversion
10.0M/s
~~
7.7M/s
parseInt
3.8M/s
Number
3.6M/s
View exact numbers
Test name
Executions per second
✓
No conversion
9,970,104 Ops/sec
~~
7,735,178 Ops/sec
parseInt
3,822,798 Ops/sec
Number
3,644,030 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;