Run results for: toFixed vs toPrecision vs Math.round() vs Math.floorfast vs new Math.trunc

Comparing performance of: toFixed(4) vs toPrecision(4).toString() vs (Math.round(*10000)/10000).toString() vs Math.floor fast vs the new Math.trunc

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:122.0) Gecko/20100101 Firefox/122.0
Firefox 122
Windows
Desktop
2 years ago
(Math.round(*10000)/10000).toString()
1582.0M/s
Math.floor fast
1573.8M/s
Math.trunc
1562.5M/s
toFixed(4) someFloat.toFixed(4); someFloat.t
20.2M/s
toPrecision(4).toString()
12.5M/s
View exact numbers
Test name Executions per second
✓ (Math.round(*10000)/10000).toString() 1,582,026,112 Ops/sec
Math.floor fast 1,573,849,344 Ops/sec
Math.trunc 1,562,475,776 Ops/sec
toFixed(4) someFloat.toFixed(4); someFloat.t 20,209,942 Ops/sec
toPrecision(4).toString() 12,469,752 Ops/sec
Script Preparation code:
Tests: