Run results for: Number.toLocaleString vs Intl.NumberFormat

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser: Chrome 135

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Number.toLocaleString

39K/s

Intl.NumberFormat

38K/s

View exact numbers

Test name	Executions per second
✓ Number.toLocaleString	39,402 Ops/sec
Intl.NumberFormat	37,971 Ops/sec

Tests:

Intl.NumberFormat
const currencyPlayNumber = 1; const translatedString = new Intl.NumberFormat(undefined, { style: 'currency', currency: 'RUB', }).format(currencyPlayNumber);
Number.toLocaleString
const currencyPlayNumber = 1; const translatedString = currencyPlayNumber.toLocaleString(undefined, { style: 'currency', currency: 'RUB', })