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/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Chrome 122
Mac OS X 10.15.7
Desktop
2 years ago
Math.floor fast
31.2M/s
Math.trunc
12.0M/s
(Math.round(*10000)/10000).toString()
11.9M/s
toPrecision(4).toString()
11.4M/s
toFixed(4) someFloat.toFixed(4); someFloat.t
9.1M/s
View exact numbers
Test name Executions per second
✓ Math.floor fast 31,237,480 Ops/sec
Math.trunc 11,954,163 Ops/sec
(Math.round(*10000)/10000).toString() 11,873,943 Ops/sec
toPrecision(4).toString() 11,403,961 Ops/sec
toFixed(4) someFloat.toFixed(4); someFloat.t 9,107,713 Ops/sec
Script Preparation code:
Tests: