toFixed vs toPrecision vs Math.round() vs Math.floorfaster test
Date tested:
4 years ago
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.113 Safari/537.36
Test name
Executions per second
Math.floor fast
10514950.0 Ops/sec
Math.floor faster
10286490.0 Ops/sec
Benchmark definition (click to collapse):
Script Preparation code:
var someFloat = 0.123456789;
Tests:
Math.floor fast
~~(someFloat * 10000) / 10000;
Math.floor faster
~~(someFloat * 1e4) / 1e4;
Open this result on MeasureThat.net