Run results for: toLocaleString vs window.Intl.NumberFormat

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.150 Safari/537.36 Edg/88.0.705.63

Browser: Chrome 88

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
toLocaleString	37238.2 Ops/sec
window.Intl.NumberFormat	33578.4 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);