Run results for: Intl.NumberFormat vs toLocalString

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 11_2_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.114 Safari/537.36

Browser: Chrome 89

Operating system: Mac OS X 11.2.3

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Intl.NumberFormat	30379.5 Ops/sec
toLocalString	16182101.0 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");