Run results for: js math vs toLocaleString

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 17_1_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.1.2 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 17

Operating system: iOS 17.1.2

Device Platform: Mobile

Date tested: 2 years ago

Benchmark engine: Benchmark.js

Rounding

12.9M/s

localString

43K/s

View exact numbers

Test name	Executions per second
✓ Rounding	12,906,546 Ops/sec
localString	43,213 Ops/sec

Tests:

Rounding
const number = 1234.567 % 60 const c = Math.round(number * 10) / 10
localString
const number = 1234.567 % 60 const c = number.toLocaleString(undefined, { maximumFractionDigits: 1, minimumFractionDigits: 0 })