Run results for: Number.toLocaleString vs Intl.NumberFormat4

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36

Browser: Chrome 149

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one month ago

Intl.NumberFormat

87/s

Number.toLocaleString

1/s

View exact numbers

Test name	Executions per second
✓ Intl.NumberFormat	87 Ops/sec
Number.toLocaleString	1 Ops/sec

Tests:

Intl.NumberFormat
const currencyPlayNumber = 1; const formatter = new Intl.NumberFormat(undefined, { style: 'currency', currency: 'RUB', }); for(var i = 0; i < 100000; i++) { let formatted = formatter.format(currencyPlayNumber); }
Number.toLocaleString
const currencyPlayNumber = 1; for(var i = 0; i < 100000; i++) { let formatted = currencyPlayNumber.toLocaleString(undefined, { style: 'currency', currency: 'RUB', }) }