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Run results for:
Number vs + vs parseFloat
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<iframe src="https://measurethat.net/Embed?id=566420" 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/131.0.0.0 Safari/537.36
Browser:
Chrome 131
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Unary +
4.8M/s
Number
3.9M/s
parseFloat
3.7M/s
View exact numbers
Test name
Executions per second
✓
Unary +
4,840,878 Ops/sec
Number
3,868,223 Ops/sec
parseFloat
3,679,814 Ops/sec
Tests:
Number
var number = Number(Math.random().toString());
Unary +
var unary = +Math.random().toString();
parseFloat
var parse = parseFloat(Math.random().toString());