Run results for: Intl.NumberFormat vs toLocalString

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 17_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) EdgiOS/125.0.2535.96 Version/17.0 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 17

Operating system: iOS 17.5

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
Intl.NumberFormat	46323.9 Ops/sec
toLocalString	24156266.0 Ops/sec

Tests:

Intl.NumberFormat
var a = new Intl.NumberFormat("en-US").format("10000");
toLocalString
var a = "10000".toLocaleString("en-US");