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Run results for:
Number vs + vs parseFloat
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<iframe src="https://measurethat.net/Embed?id=559044" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.0.1 Safari/605.1.15
Browser:
Safari 18
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Unary +
8.3M/s
Number
6.0M/s
parseFloat
5.1M/s
View exact numbers
Test name
Executions per second
✓
Unary +
8,318,848 Ops/sec
Number
6,018,584 Ops/sec
parseFloat
5,132,238 Ops/sec
Tests:
Number
var number = Number(Math.random().toString());
Unary +
var unary = +Math.random().toString();
parseFloat
var parse = parseFloat(Math.random().toString());