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Run results for:
Number vs + vs parseFloat vs parseInt
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<iframe src="https://measurethat.net/Embed?id=589952" 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/133.0.0.0 Safari/537.36
Browser:
Chrome 133
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
parseInt
9.1M/s
parseFloat
8.6M/s
Number
8.0M/s
Unary +
5.0M/s
View exact numbers
Test name
Executions per second
✓
parseInt
9,147,061 Ops/sec
parseFloat
8,589,226 Ops/sec
Number
7,956,214 Ops/sec
Unary +
5,023,004 Ops/sec
Tests:
Number
let number = Number(Math.random().toString());
Unary +
let unary = +Math.random().toString();
parseFloat
let parse = parseFloat(Math.random().toString());
parseInt
let parse = parseInt(Math.random().toString());