Run results for: localeCompare numeric true vs false

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36

Browser: Chrome 125

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 5 months ago

Test name	Executions per second
localeCompare	3936013.0 Ops/sec
localeCompareNumeric	3047264.0 Ops/sec
localeCompareBase	3971653.8 Ops/sec

Script Preparation code:

var a = 'a200bcd32efg9';
var b = 'a200bcd32efg11';

var comparator = { locale: null, collator: null };
var numericComparator = { locale: null, collator: null };
var baseComparator = { locale: null, collator: null };

var localeCompare = (a, b, locale) => {
  if (!comparator.collator || comparator.locale !== locale) {
    comparator.locale = locale;
    comparator.collator = new Intl.Collator(locale);
  }

  return comparator.collator.compare(a, b);
};

var localeCompareNumeric = (a, b, locale) => {
  if (!numericComparator.collator || numericComparator.locale !== locale) {
    numericComparator.locale = locale;
    numericComparator.collator = new Intl.Collator(locale, {
      numeric: true,
    });
  }

  return numericComparator.collator.compare(a, b);
};

var localeCompareBase = (a, b, locale) => {
  if (!baseComparator.collator || baseComparator.locale !== locale) {
    baseComparator.locale = locale;
    baseComparator.collator = new Intl.Collator(locale, {
      sensitivity: 'base',
    });
  }

  return baseComparator.collator.compare(a, b);
};

Tests:

localeCompare
localeCompare(a, b, 'en-US');
localeCompareNumeric
localeCompareNumeric(a, b, 'en-US');
localeCompareBase
localeCompareBase(a, b, 'en-US');