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Run results for:
Number vs + vs parseFloat vs Math.Round (round to 2 decimal places)
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<iframe src="https://measurethat.net/Embed?id=569420" 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
Test name
Executions per second
Number
4348877.0 Ops/sec
Unary +
5978571.5 Ops/sec
parseFloat
4256937.5 Ops/sec
multiply, math round, divide
7021517.0 Ops/sec
Tests:
Number
const number = Number(Math.random().toFixed(2));
Unary +
const unary = +Math.random().toFixed(2);
parseFloat
const parse = parseFloat(Math.random().toFixed(2));
multiply, math round, divide
const multiply = Math.round(Math.random() * 100) / 100