Run results for: cached Intl.NumberFormat vs toLocalString

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36

Browser: Chrome 137

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

toLocalString

14.0M/s

Intl.NumberFormat

36K/s

View exact numbers

Test name	Executions per second
✓ toLocalString	14,018,471 Ops/sec
Intl.NumberFormat	35,800 Ops/sec

Tests:

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