Run results for: Floats: toFixed vs toPrecision vs Math.round

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36
Chrome 137
Mac OS X 10.15.7
Desktop
one year ago
Math.round(*10000)/10000
161.5M/s
parseFloat() + toPrecision(4)
18.1M/s
parseFloat() + toFixed(4)
12.1M/s
View exact numbers
Test name Executions per second
✓ Math.round(*10000)/10000 161,480,592 Ops/sec
parseFloat() + toPrecision(4) 18,126,156 Ops/sec
parseFloat() + toFixed(4) 12,053,276 Ops/sec
Script Preparation code:
Tests: