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Run results for:
Number vs + vs parseFloat
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<iframe src="https://measurethat.net/Embed?id=497645" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (iPad; CPU OS 17_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/121.0.6167.66 Mobile/15E148 Safari/604.1
Browser:
Chrome Mobile iOS 121
Operating system:
iOS 17.2
Device Platform:
Tablet
Date tested:
2 years ago
Unary +
3.9M/s
Number
2.9M/s
parseFloat
2.8M/s
View exact numbers
Test name
Executions per second
✓
Unary +
3,885,340 Ops/sec
Number
2,860,188 Ops/sec
parseFloat
2,773,686 Ops/sec
Tests:
Number
var number = Number(Math.random().toString());
Unary +
var unary = +Math.random().toString();
parseFloat
var parse = parseFloat(Math.random().toString());