Run results for: Intl.Collator.compare() with usage: search vs localeCompare() vs toLowercase()

Run details:

User agent: Mozilla/5.0 (Android 9; Mobile; rv:109.0) Gecko/119.0 Firefox/119.0

Browser: Firefox Mobile 119

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
localeCompare()	20961.4 Ops/sec
Intl.Collator.compare()	747256.6 Ops/sec
toLowerCase()	144806912.0 Ops/sec

Script Preparation code:

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

Tests:

localeCompare()
a.localeCompare(b, 'en', options) === 0
Intl.Collator.compare()
collator.compare(a, b) === 0
toLowerCase()
a.toLowerCase() === b.toLowerCase()

Run results for: Intl.Collator.compare() with usage: search vs localeCompare() vs toLowercase()

localeCompare()

Intl.Collator.compare()

toLowerCase()