Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36
Chrome 133
Mac OS X 10.15.7
Desktop
one year ago
Math.round(*10000)/10000
179.3M/s
parseFloat() + toPrecision(4)
20.6M/s
parseFloat() + toFixed(4)
14.3M/s
View exact numbers
Test name Executions per second
Math.round(*10000)/10000 179,313,040 Ops/sec
parseFloat() + toPrecision(4) 20,580,050 Ops/sec
parseFloat() + toFixed(4) 14,348,278 Ops/sec
Script Preparation code:
Tests: