Run results for: js math vs toLocaleString

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

Rounding

154.2M/s

localString

74K/s

View exact numbers

Test name	Executions per second
✓ Rounding	154,207,312 Ops/sec
localString	74,242 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 })