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:146.0) Gecko/20100101 Firefox/146.0
Firefox 146
Windows
Desktop
7 months ago
Math.trunc
3350.7M/s
(Math.round(*10000)/10000).toString()
3342.4M/s
Math.floor fast
3090.1M/s
toFixed(4) someFloat.toFixed(4); someFloat.t
35.0M/s
toPrecision(4).toString()
28.6M/s
View exact numbers
Test name Executions per second
✓ Math.trunc 3,350,657,792 Ops/sec
(Math.round(*10000)/10000).toString() 3,342,448,128 Ops/sec
Math.floor fast 3,090,065,664 Ops/sec
toFixed(4) someFloat.toFixed(4); someFloat.t 34,969,596 Ops/sec
toPrecision(4).toString() 28,639,676 Ops/sec
Script Preparation code:
Tests: