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

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36
Chrome 121
Windows
Desktop
2 years ago
Math.round(*10000)/10000
4.8M/s
parseFloat() + toPrecision(4)
2.4M/s
parseFloat() + toFixed(4)
2.2M/s
View exact numbers
Test name Executions per second
✓ Math.round(*10000)/10000 4,829,986 Ops/sec
parseFloat() + toPrecision(4) 2,359,329 Ops/sec
parseFloat() + toFixed(4) 2,231,300 Ops/sec
Script Preparation code:
Tests: