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Run results for:
Float string optimization: parseFloat() vs regex
To get a cleaned-up float number with a limited number of digits of precision, which is faster: parsefloat() or a regular expression?
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<iframe src="https://measurethat.net/Embed?id=614513" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:141.0) Gecko/20100101 Firefox/141.0
Browser:
Firefox 141
Operating system:
Windows
Device Platform:
Desktop
Date tested:
10 months ago
Test name
Executions per second
parseFloat()
25606124.0 Ops/sec
regex
15921439.0 Ops/sec
Tests:
parseFloat()
var string = parseFloat((3/2).toFixed(4)).toString();
regex
var string = (3/2).toFixed(4).replace(/\.?0*$/, '');