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Run results for:
Number vs + vs parseFloat vs Divide
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<iframe src="https://measurethat.net/Embed?id=569415" 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/131.0.0.0 Safari/537.36 Edg/131.0.0.0
Browser:
Chrome 131
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
times by 100 and divide
6.9M/s
Unary +
5.4M/s
parseFloat
4.0M/s
Number
4.0M/s
View exact numbers
Test name
Executions per second
✓
times by 100 and divide
6,911,009 Ops/sec
Unary +
5,404,016 Ops/sec
parseFloat
4,015,968 Ops/sec
Number
3,984,266 Ops/sec
Tests:
Number
var number = Number(Math.random().toString());
Unary +
var unary = +Math.random().toString();
parseFloat
var parse = parseFloat(Math.random().toString());
times by 100 and divide
var divide = Math.round(Math.random() * 100) / 100