Run results for: toLocaleString vs window.Intl.NumberFormat

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:88.0) Gecko/20100101 Firefox/88.0

Browser: Firefox 88

Operating system: Linux

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
toLocaleString	32080.8 Ops/sec
window.Intl.NumberFormat	33326.7 Ops/sec

Tests:

toLocaleString
let a = (1999.99991929393432432).toLocaleString("en",{minimumFractionDigits:9, maximumFractionDigits:9,useGrouping: false});
window.Intl.NumberFormat
const numberFormatter = new window.Intl.NumberFormat("en", { minimumFractionDigits: 9, maximumFractionDigits: 9, useGrouping: false }); let a = numberFormatter.format(1999.99991929393432432);