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Run results for:
Number vs + vs parseFloat
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<iframe src="https://measurethat.net/Embed?id=553063" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.164 Safari/537.36
Browser:
Chrome 91
Operating system:
Linux
Device Platform:
Desktop
Date tested:
one year ago
Unary +
1.6M/s
parseFloat
1.2M/s
Number
1.1M/s
View exact numbers
Test name
Executions per second
✓
Unary +
1,614,540 Ops/sec
parseFloat
1,225,094 Ops/sec
Number
1,145,762 Ops/sec
Tests:
Number
var number = Number(Math.random().toString());
Unary +
var unary = +Math.random().toString();
parseFloat
var parse = parseFloat(Math.random().toString());