Run results for: Intl.Collator.compare() vs localeCompare()

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.1 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 18

Operating system: iOS 18.1

Device Platform: Mobile

Date tested: one year ago

Intl.Collator.compare()

3.5M/s

localeCompare()

241K/s

View exact numbers

Test name	Executions per second
✓ Intl.Collator.compare()	3,484,866 Ops/sec
localeCompare()	240,501 Ops/sec

Script Preparation code:

var a = "FOO BAR";
var b = "foo bar";

var options = {
  sensitivity: 'base'
};

var collator = new Intl.Collator(undefined, options);

Tests: