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

Go to the benchmark
Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:132.0) Gecko/20100101 Firefox/132.0
Firefox 132
Windows
Desktop
one year ago
Math.trunc
1755.5M/s
(Math.round(*10000)/10000).toString()
1646.5M/s
Math.floor fast
1454.9M/s
toFixed(4) someFloat.toFixed(4); someFloat.t
17.6M/s
toPrecision(4).toString()
13.0M/s
View exact numbers
Test name Executions per second
✓ Math.trunc 1,755,493,888 Ops/sec
(Math.round(*10000)/10000).toString() 1,646,463,360 Ops/sec
Math.floor fast 1,454,891,776 Ops/sec
toFixed(4) someFloat.toFixed(4); someFloat.t 17,625,666 Ops/sec
toPrecision(4).toString() 13,039,024 Ops/sec
Script Preparation code:
Tests: