Run results for: Intl.NumberFormat vs toLocalString

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:80.0) Gecko/20100101 Firefox/80.0

Browser: Firefox 80

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Intl.NumberFormat	23096.3 Ops/sec
toLocalString	55193976.0 Ops/sec

Tests:

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

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