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 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.1 Safari/605.1.15
Safari 17
Mac OS X 10.15.7
Desktop
2 years ago
Math.floor fast
22.5M/s
toFixed(4) someFloat.toFixed(4); someFloat.t
15.9M/s
toPrecision(4).toString()
12.9M/s
(Math.round(*10000)/10000).toString()
11.3M/s
Math.trunc
11.3M/s
View exact numbers
Test name Executions per second
✓ Math.floor fast 22,482,238 Ops/sec
toFixed(4) someFloat.toFixed(4); someFloat.t 15,944,553 Ops/sec
toPrecision(4).toString() 12,891,702 Ops/sec
(Math.round(*10000)/10000).toString() 11,291,969 Ops/sec
Math.trunc 11,283,217 Ops/sec
Script Preparation code:
Tests: