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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 (iPhone; CPU iPhone OS 16_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.0 Mobile/15E148 Safari/604.1
Mobile Safari 16
iOS 16.0
Mobile
one year ago
Test name Executions per second
toFixed(4) someFloat.toFixed(4); someFloat.t 7833764.0 Ops/sec
toPrecision(4).toString() 7307417.0 Ops/sec
(Math.round(*10000)/10000).toString() 8552036.0 Ops/sec
Math.floor fast 21178460.0 Ops/sec
Math.trunc 8307271.0 Ops/sec
Website performance monitoring
Script Preparation code:
Tests:

  • toFixed(4) someFloat.toFixed(4); someFloat.t

  • toPrecision(4).toString()

  • (Math.round(*10000)/10000).toString()

  • Math.floor fast

  • Math.trunc