Run results for: Intl.NumberFormat vs toLocalString-

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:133.0) Gecko/20100101 Firefox/133.0

Browser: Firefox 133

Operating system: Ubuntu

Device Platform: Desktop

Date tested: one year ago

Intl.NumberFormat

3.0M/s

toLocaleString

62K/s

View exact numbers

Test name	Executions per second
✓ Intl.NumberFormat	3,002,643 Ops/sec
toLocaleString	61,690 Ops/sec

Script Preparation code:



var target = 123456789.123456789
var options = {minimumFractionDigits: 3, maximumFractionDigits: 3}
var num

var intlformat = new Intl.NumberFormat('en-US', options)

Tests:

toLocaleString
var a = target.toLocaleString('en-US', options);
Intl.NumberFormat
var a = intlformat.format(target)